Home / 22,569,513.48-31,167,185.46-15,712,744.20

Finding the Fourth Proportional to 22,569,513.48, 31,167,185.46 and 15,712,744.20

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Solution

The fourth proportional to 22,569,513.48, 31,167,185.46 and 15,712,744.20 is: 21,698,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569,513.48 : 31,167,185.46 = 15,712,744.20 : x
  2. Step 2: Convert to fraction form
    22,569,513.48/31,167,185.46 = 15,712,744.20/x
  3. Step 3: Cross multiply
    22,569,513.48x = 31,167,185.46 × 15,712,744.20
  4. Step 4: Simplify right side
    22,569,513.48x = 489,722,012,566,939.31
  5. Step 5: Solve for x
    x = 489,722,012,566,939.31/22,569,513.48
  6. Step 6: Final answer
    x = 21,698,385.88

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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.