Home / 25,207,856.70-37,811,785.05-20,169,008.70

Finding the Fourth Proportional to 25,207,856.70, 37,811,785.05 and 20,169,008.70

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Solution

The fourth proportional to 25,207,856.70, 37,811,785.05 and 20,169,008.70 is: 30,253,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207,856.70 : 37,811,785.05 = 20,169,008.70 : x
  2. Step 2: Convert to fraction form
    25,207,856.70/37,811,785.05 = 20,169,008.70/x
  3. Step 3: Cross multiply
    25,207,856.70x = 37,811,785.05 × 20,169,008.70
  4. Step 4: Simplify right side
    25,207,856.70x = 762,626,221,635,979.88
  5. Step 5: Solve for x
    x = 762,626,221,635,979.88/25,207,856.70
  6. Step 6: Final answer
    x = 30,253,513.05

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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.