Home / 10,372,020.60-15,526,538.10-9,238,279.80

Finding the Fourth Proportional to 10,372,020.60, 15,526,538.10 and 9,238,279.80

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Solution

The fourth proportional to 10,372,020.60, 15,526,538.10 and 9,238,279.80 is: 13,829,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,020.60 : 15,526,538.10 = 9,238,279.80 : x
  2. Step 2: Convert to fraction form
    10,372,020.60/15,526,538.10 = 9,238,279.80/x
  3. Step 3: Cross multiply
    10,372,020.60x = 15,526,538.10 × 9,238,279.80
  4. Step 4: Simplify right side
    10,372,020.60x = 143,438,503,293,160.38
  5. Step 5: Solve for x
    x = 143,438,503,293,160.38/10,372,020.60
  6. Step 6: Final answer
    x = 13,829,369.30

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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.