Home / 20,567,800.40-30,884,878.20-15,524,805.20

Finding the Fourth Proportional to 20,567,800.40, 30,884,878.20 and 15,524,805.20

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Solution

The fourth proportional to 20,567,800.40, 30,884,878.20 and 15,524,805.20 is: 23,312,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567,800.40 : 30,884,878.20 = 15,524,805.20 : x
  2. Step 2: Convert to fraction form
    20,567,800.40/30,884,878.20 = 15,524,805.20/x
  3. Step 3: Cross multiply
    20,567,800.40x = 30,884,878.20 × 15,524,805.20
  4. Step 4: Simplify right side
    20,567,800.40x = 479,481,717,680,726.62
  5. Step 5: Solve for x
    x = 479,481,717,680,726.62/20,567,800.40
  6. Step 6: Final answer
    x = 23,312,250.62

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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.