Home / 25,207,856.80-37,811,785.20-20,169,008.80

Finding the Fourth Proportional to 25,207,856.80, 37,811,785.20 and 20,169,008.80

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Solution

The fourth proportional to 25,207,856.80, 37,811,785.20 and 20,169,008.80 is: 30,253,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207,856.80 : 37,811,785.20 = 20,169,008.80 : x
  2. Step 2: Convert to fraction form
    25,207,856.80/37,811,785.20 = 20,169,008.80/x
  3. Step 3: Cross multiply
    25,207,856.80x = 37,811,785.20 × 20,169,008.80
  4. Step 4: Simplify right side
    25,207,856.80x = 762,626,228,442,509.88
  5. Step 5: Solve for x
    x = 762,626,228,442,509.88/25,207,856.80
  6. Step 6: Final answer
    x = 30,253,513.20

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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.