Home / 31,272,625.28-43,156,148.27-17,143,786.83

Finding the Fourth Proportional to 31,272,625.28, 43,156,148.27 and 17,143,786.83

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Solution

The fourth proportional to 31,272,625.28, 43,156,148.27 and 17,143,786.83 is: 23,658,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,625.28 : 43,156,148.27 = 17,143,786.83 : x
  2. Step 2: Convert to fraction form
    31,272,625.28/43,156,148.27 = 17,143,786.83/x
  3. Step 3: Cross multiply
    31,272,625.28x = 43,156,148.27 × 17,143,786.83
  4. Step 4: Simplify right side
    31,272,625.28x = 739,859,806,387,612.75
  5. Step 5: Solve for x
    x = 739,859,806,387,612.75/31,272,625.28
  6. Step 6: Final answer
    x = 23,658,384.92

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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.