Home / 20,155,272.60-30,234,752.10-8,185,531.80

Finding the Fourth Proportional to 20,155,272.60, 30,234,752.10 and 8,185,531.80

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Solution

The fourth proportional to 20,155,272.60, 30,234,752.10 and 8,185,531.80 is: 12,279,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,272.60 : 30,234,752.10 = 8,185,531.80 : x
  2. Step 2: Convert to fraction form
    20,155,272.60/30,234,752.10 = 8,185,531.80/x
  3. Step 3: Cross multiply
    20,155,272.60x = 30,234,752.10 × 8,185,531.80
  4. Step 4: Simplify right side
    20,155,272.60x = 247,487,524,779,666.78
  5. Step 5: Solve for x
    x = 247,487,524,779,666.78/20,155,272.60
  6. Step 6: Final answer
    x = 12,279,046.27

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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.