Home / 22,513,712.20-31,056,943.08-13,695,860.80

Finding the Fourth Proportional to 22,513,712.20, 31,056,943.08 and 13,695,860.80

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Solution

The fourth proportional to 22,513,712.20, 31,056,943.08 and 13,695,860.80 is: 18,893,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513,712.20 : 31,056,943.08 = 13,695,860.80 : x
  2. Step 2: Convert to fraction form
    22,513,712.20/31,056,943.08 = 13,695,860.80/x
  3. Step 3: Cross multiply
    22,513,712.20x = 31,056,943.08 × 13,695,860.80
  4. Step 4: Simplify right side
    22,513,712.20x = 425,351,569,387,383.88
  5. Step 5: Solve for x
    x = 425,351,569,387,383.88/22,513,712.20
  6. Step 6: Final answer
    x = 18,893,000.21

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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.