Home / 37,687,372.80-56,531,059.20-28,121,434.80

Finding the Fourth Proportional to 37,687,372.80, 56,531,059.20 and 28,121,434.80

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Solution

The fourth proportional to 37,687,372.80, 56,531,059.20 and 28,121,434.80 is: 42,182,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687,372.80 : 56,531,059.20 = 28,121,434.80 : x
  2. Step 2: Convert to fraction form
    37,687,372.80/56,531,059.20 = 28,121,434.80/x
  3. Step 3: Cross multiply
    37,687,372.80x = 56,531,059.20 × 28,121,434.80
  4. Step 4: Simplify right side
    37,687,372.80x = 1,589,734,495,467,740.25
  5. Step 5: Solve for x
    x = 1,589,734,495,467,740.25/37,687,372.80
  6. Step 6: Final answer
    x = 42,182,152.20

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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.