Home / 21,154,537.80-31,735,789.47-15,074,185.73

Finding the Fourth Proportional to 21,154,537.80, 31,735,789.47 and 15,074,185.73

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Solution

The fourth proportional to 21,154,537.80, 31,735,789.47 and 15,074,185.73 is: 22,614,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154,537.80 : 31,735,789.47 = 15,074,185.73 : x
  2. Step 2: Convert to fraction form
    21,154,537.80/31,735,789.47 = 15,074,185.73/x
  3. Step 3: Cross multiply
    21,154,537.80x = 31,735,789.47 × 15,074,185.73
  4. Step 4: Simplify right side
    21,154,537.80x = 478,391,184,600,279.31
  5. Step 5: Solve for x
    x = 478,391,184,600,279.31/21,154,537.80
  6. Step 6: Final answer
    x = 22,614,116.61

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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.