Home / 42,528,221.20-63,792,332.70-12,236,084.20

Finding the Fourth Proportional to 42,528,221.20, 63,792,332.70 and 12,236,084.20

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Solution

The fourth proportional to 42,528,221.20, 63,792,332.70 and 12,236,084.20 is: 18,354,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528,221.20 : 63,792,332.70 = 12,236,084.20 : x
  2. Step 2: Convert to fraction form
    42,528,221.20/63,792,332.70 = 12,236,084.20/x
  3. Step 3: Cross multiply
    42,528,221.20x = 63,792,332.70 × 12,236,084.20
  4. Step 4: Simplify right side
    42,528,221.20x = 780,568,354,231,613.38
  5. Step 5: Solve for x
    x = 780,568,354,231,613.38/42,528,221.20
  6. Step 6: Final answer
    x = 18,354,126.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.