Home / 31,022,078.76-42,799,387.50-17,962,209

Finding the Fourth Proportional to 31,022,078.76, 42,799,387.50 and 17,962,209

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Solution

The fourth proportional to 31,022,078.76, 42,799,387.50 and 17,962,209 is: 24,781,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,078.76 : 42,799,387.50 = 17,962,209 : x
  2. Step 2: Convert to fraction form
    31,022,078.76/42,799,387.50 = 17,962,209/x
  3. Step 3: Cross multiply
    31,022,078.76x = 42,799,387.50 × 17,962,209
  4. Step 4: Simplify right side
    31,022,078.76x = 768,771,543,346,987.50
  5. Step 5: Solve for x
    x = 768,771,543,346,987.50/31,022,078.76
  6. Step 6: Final answer
    x = 24,781,432.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.