Home / 18,252,376.60-25,188,240.24-9,992,371.96

Finding the Fourth Proportional to 18,252,376.60, 25,188,240.24 and 9,992,371.96

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Solution

The fourth proportional to 18,252,376.60, 25,188,240.24 and 9,992,371.96 is: 13,789,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252,376.60 : 25,188,240.24 = 9,992,371.96 : x
  2. Step 2: Convert to fraction form
    18,252,376.60/25,188,240.24 = 9,992,371.96/x
  3. Step 3: Cross multiply
    18,252,376.60x = 25,188,240.24 × 9,992,371.96
  4. Step 4: Simplify right side
    18,252,376.60x = 251,690,265,495,919.69
  5. Step 5: Solve for x
    x = 251,690,265,495,919.69/18,252,376.60
  6. Step 6: Final answer
    x = 13,789,451.70

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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.