Home / 10,728,279.10-16,092,418.65-9,559,108.90

Finding the Fourth Proportional to 10,728,279.10, 16,092,418.65 and 9,559,108.90

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Solution

The fourth proportional to 10,728,279.10, 16,092,418.65 and 9,559,108.90 is: 14,338,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,279.10 : 16,092,418.65 = 9,559,108.90 : x
  2. Step 2: Convert to fraction form
    10,728,279.10/16,092,418.65 = 9,559,108.90/x
  3. Step 3: Cross multiply
    10,728,279.10x = 16,092,418.65 × 9,559,108.90
  4. Step 4: Simplify right side
    10,728,279.10x = 153,829,182,339,741
  5. Step 5: Solve for x
    x = 153,829,182,339,741/10,728,279.10
  6. Step 6: Final answer
    x = 14,338,663.35

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Similar ratio
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1.5x scale

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.