Home / 15,837,861.60-23,785,660.80-13,853,815.20

Finding the Fourth Proportional to 15,837,861.60, 23,785,660.80 and 13,853,815.20

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Solution

The fourth proportional to 15,837,861.60, 23,785,660.80 and 13,853,815.20 is: 20,805,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837,861.60 : 23,785,660.80 = 13,853,815.20 : x
  2. Step 2: Convert to fraction form
    15,837,861.60/23,785,660.80 = 13,853,815.20/x
  3. Step 3: Cross multiply
    15,837,861.60x = 23,785,660.80 × 13,853,815.20
  4. Step 4: Simplify right side
    15,837,861.60x = 329,522,149,133,084.12
  5. Step 5: Solve for x
    x = 329,522,149,133,084.12/15,837,861.60
  6. Step 6: Final answer
    x = 20,805,974.79

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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.