Home / 12,465,381.60-18,693,406.80-4,375,231.20

Finding the Fourth Proportional to 12,465,381.60, 18,693,406.80 and 4,375,231.20

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Solution

The fourth proportional to 12,465,381.60, 18,693,406.80 and 4,375,231.20 is: 6,561,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,381.60 : 18,693,406.80 = 4,375,231.20 : x
  2. Step 2: Convert to fraction form
    12,465,381.60/18,693,406.80 = 4,375,231.20/x
  3. Step 3: Cross multiply
    12,465,381.60x = 18,693,406.80 × 4,375,231.20
  4. Step 4: Simplify right side
    12,465,381.60x = 81,787,976,665,652.17
  5. Step 5: Solve for x
    x = 81,787,976,665,652.17/12,465,381.60
  6. Step 6: Final answer
    x = 6,561,209.22

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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.