Home / 9,000,185.62-12,420,289.08-4,870,216.80

Finding the Fourth Proportional to 9,000,185.62, 12,420,289.08 and 4,870,216.80

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Solution

The fourth proportional to 9,000,185.62, 12,420,289.08 and 4,870,216.80 is: 6,720,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,185.62 : 12,420,289.08 = 4,870,216.80 : x
  2. Step 2: Convert to fraction form
    9,000,185.62/12,420,289.08 = 4,870,216.80/x
  3. Step 3: Cross multiply
    9,000,185.62x = 12,420,289.08 × 4,870,216.80
  4. Step 4: Simplify right side
    9,000,185.62x = 60,489,500,538,272.54
  5. Step 5: Solve for x
    x = 60,489,500,538,272.54/9,000,185.62
  6. Step 6: Final answer
    x = 6,720,917.00

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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.