Home / 9,000,182.25-12,420,284.42-4,870,213.43

Finding the Fourth Proportional to 9,000,182.25, 12,420,284.42 and 4,870,213.43

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Solution

The fourth proportional to 9,000,182.25, 12,420,284.42 and 4,870,213.43 is: 6,720,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,182.25 : 12,420,284.42 = 4,870,213.43 : x
  2. Step 2: Convert to fraction form
    9,000,182.25/12,420,284.42 = 4,870,213.43/x
  3. Step 3: Cross multiply
    9,000,182.25x = 12,420,284.42 × 4,870,213.43
  4. Step 4: Simplify right side
    9,000,182.25x = 60,489,435,986,703.76
  5. Step 5: Solve for x
    x = 60,489,435,986,703.76/9,000,182.25
  6. Step 6: Final answer
    x = 6,720,912.34

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Half scale
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Double scale
Find fourth proportional to 9,000,183.25, 12,420,285.80 and 4,870,214.43
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.