Home / 10,992,342.70-16,488,514.05-8,122,561.30

Finding the Fourth Proportional to 10,992,342.70, 16,488,514.05 and 8,122,561.30

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Solution

The fourth proportional to 10,992,342.70, 16,488,514.05 and 8,122,561.30 is: 12,183,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,342.70 : 16,488,514.05 = 8,122,561.30 : x
  2. Step 2: Convert to fraction form
    10,992,342.70/16,488,514.05 = 8,122,561.30/x
  3. Step 3: Cross multiply
    10,992,342.70x = 16,488,514.05 × 8,122,561.30
  4. Step 4: Simplify right side
    10,992,342.70x = 133,928,966,117,036.27
  5. Step 5: Solve for x
    x = 133,928,966,117,036.27/10,992,342.70
  6. Step 6: Final answer
    x = 12,183,841.95

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Similar ratio
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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.