Home / 20,750,387.20-31,130,246.40-6,374,118.40

Finding the Fourth Proportional to 20,750,387.20, 31,130,246.40 and 6,374,118.40

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Solution

The fourth proportional to 20,750,387.20, 31,130,246.40 and 6,374,118.40 is: 9,562,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,387.20 : 31,130,246.40 = 6,374,118.40 : x
  2. Step 2: Convert to fraction form
    20,750,387.20/31,130,246.40 = 6,374,118.40/x
  3. Step 3: Cross multiply
    20,750,387.20x = 31,130,246.40 × 6,374,118.40
  4. Step 4: Simplify right side
    20,750,387.20x = 198,427,876,374,773.75
  5. Step 5: Solve for x
    x = 198,427,876,374,773.75/20,750,387.20
  6. Step 6: Final answer
    x = 9,562,610.78

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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.