Home / 27,284,285.88-37,650,991.50-15,522,446.76

Finding the Fourth Proportional to 27,284,285.88, 37,650,991.50 and 15,522,446.76

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Solution

The fourth proportional to 27,284,285.88, 37,650,991.50 and 15,522,446.76 is: 21,420,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284,285.88 : 37,650,991.50 = 15,522,446.76 : x
  2. Step 2: Convert to fraction form
    27,284,285.88/37,650,991.50 = 15,522,446.76/x
  3. Step 3: Cross multiply
    27,284,285.88x = 37,650,991.50 × 15,522,446.76
  4. Step 4: Simplify right side
    27,284,285.88x = 584,435,511,019,962.50
  5. Step 5: Solve for x
    x = 584,435,511,019,962.50/27,284,285.88
  6. Step 6: Final answer
    x = 21,420,223.85

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Double scale
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Similar ratio
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1.5x scale

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.