Home / 8,178,420.60-12,268,214.10-2,498,635.80

Finding the Fourth Proportional to 8,178,420.60, 12,268,214.10 and 2,498,635.80

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Solution

The fourth proportional to 8,178,420.60, 12,268,214.10 and 2,498,635.80 is: 3,748,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,420.60 : 12,268,214.10 = 2,498,635.80 : x
  2. Step 2: Convert to fraction form
    8,178,420.60/12,268,214.10 = 2,498,635.80/x
  3. Step 3: Cross multiply
    8,178,420.60x = 12,268,214.10 × 2,498,635.80
  4. Step 4: Simplify right side
    8,178,420.60x = 30,653,798,952,324.78
  5. Step 5: Solve for x
    x = 30,653,798,952,324.78/8,178,420.60
  6. Step 6: Final answer
    x = 3,748,131.88

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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.