Home / 25,439,972.72-38,158,696.19-8,169,019.12

Finding the Fourth Proportional to 25,439,972.72, 38,158,696.19 and 8,169,019.12

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Solution

The fourth proportional to 25,439,972.72, 38,158,696.19 and 8,169,019.12 is: 12,253,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439,972.72 : 38,158,696.19 = 8,169,019.12 : x
  2. Step 2: Convert to fraction form
    25,439,972.72/38,158,696.19 = 8,169,019.12/x
  3. Step 3: Cross multiply
    25,439,972.72x = 38,158,696.19 × 8,169,019.12
  4. Step 4: Simplify right side
    25,439,972.72x = 311,719,118,653,078.69
  5. Step 5: Solve for x
    x = 311,719,118,653,078.69/25,439,972.72
  6. Step 6: Final answer
    x = 12,253,123.15

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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.