Home / 37,687,390.80-56,531,086.20-28,121,452.80

Finding the Fourth Proportional to 37,687,390.80, 56,531,086.20 and 28,121,452.80

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Solution

The fourth proportional to 37,687,390.80, 56,531,086.20 and 28,121,452.80 is: 42,182,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687,390.80 : 56,531,086.20 = 28,121,452.80 : x
  2. Step 2: Convert to fraction form
    37,687,390.80/56,531,086.20 = 28,121,452.80/x
  3. Step 3: Cross multiply
    37,687,390.80x = 56,531,086.20 × 28,121,452.80
  4. Step 4: Simplify right side
    37,687,390.80x = 1,589,736,272,306,031.50
  5. Step 5: Solve for x
    x = 1,589,736,272,306,031.50/37,687,390.80
  6. Step 6: Final answer
    x = 42,182,179.20

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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.