Home / 15,306,368.76-21,123,272.68-8,337,255.73

Finding the Fourth Proportional to 15,306,368.76, 21,123,272.68 and 8,337,255.73

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Solution

The fourth proportional to 15,306,368.76, 21,123,272.68 and 8,337,255.73 is: 11,505,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,368.76 : 21,123,272.68 = 8,337,255.73 : x
  2. Step 2: Convert to fraction form
    15,306,368.76/21,123,272.68 = 8,337,255.73/x
  3. Step 3: Cross multiply
    15,306,368.76x = 21,123,272.68 × 8,337,255.73
  4. Step 4: Simplify right side
    15,306,368.76x = 176,110,126,114,031.12
  5. Step 5: Solve for x
    x = 176,110,126,114,031.12/15,306,368.76
  6. Step 6: Final answer
    x = 11,505,676.42

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Double scale
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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.