Home / 9,000,182.12-12,420,284.24-4,870,213.30

Finding the Fourth Proportional to 9,000,182.12, 12,420,284.24 and 4,870,213.30

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Solution

The fourth proportional to 9,000,182.12, 12,420,284.24 and 4,870,213.30 is: 6,720,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,182.12 : 12,420,284.24 = 4,870,213.30 : x
  2. Step 2: Convert to fraction form
    9,000,182.12/12,420,284.24 = 4,870,213.30/x
  3. Step 3: Cross multiply
    9,000,182.12x = 12,420,284.24 × 4,870,213.30
  4. Step 4: Simplify right side
    9,000,182.12x = 60,489,433,495,428.39
  5. Step 5: Solve for x
    x = 60,489,433,495,428.39/9,000,182.12
  6. Step 6: Final answer
    x = 6,720,912.16

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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.