Home / 25,491,604.79-38,200,315.65-15,755,430.71

Finding the Fourth Proportional to 25,491,604.79, 38,200,315.65 and 15,755,430.71

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Solution

The fourth proportional to 25,491,604.79, 38,200,315.65 and 15,755,430.71 is: 23,610,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491,604.79 : 38,200,315.65 = 15,755,430.71 : x
  2. Step 2: Convert to fraction form
    25,491,604.79/38,200,315.65 = 15,755,430.71/x
  3. Step 3: Cross multiply
    25,491,604.79x = 38,200,315.65 × 15,755,430.71
  4. Step 4: Simplify right side
    25,491,604.79x = 601,862,426,132,702
  5. Step 5: Solve for x
    x = 601,862,426,132,702/25,491,604.79
  6. Step 6: Final answer
    x = 23,610,221.14

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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.