Home / 25,315,371.35-34,935,380.16-13,712,934.71

Finding the Fourth Proportional to 25,315,371.35, 34,935,380.16 and 13,712,934.71

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Solution

The fourth proportional to 25,315,371.35, 34,935,380.16 and 13,712,934.71 is: 18,923,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,371.35 : 34,935,380.16 = 13,712,934.71 : x
  2. Step 2: Convert to fraction form
    25,315,371.35/34,935,380.16 = 13,712,934.71/x
  3. Step 3: Cross multiply
    25,315,371.35x = 34,935,380.16 × 13,712,934.71
  4. Step 4: Simplify right side
    25,315,371.35x = 479,066,587,203,109.31
  5. Step 5: Solve for x
    x = 479,066,587,203,109.31/25,315,371.35
  6. Step 6: Final answer
    x = 18,923,940.74

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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.