Home / 12,472,543.72-18,708,858.92-3,836,585.62

Finding the Fourth Proportional to 12,472,543.72, 18,708,858.92 and 3,836,585.62

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Solution

The fourth proportional to 12,472,543.72, 18,708,858.92 and 3,836,585.62 is: 5,754,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,543.72 : 18,708,858.92 = 3,836,585.62 : x
  2. Step 2: Convert to fraction form
    12,472,543.72/18,708,858.92 = 3,836,585.62/x
  3. Step 3: Cross multiply
    12,472,543.72x = 18,708,858.92 × 3,836,585.62
  4. Step 4: Simplify right side
    12,472,543.72x = 71,778,139,099,080.73
  5. Step 5: Solve for x
    x = 71,778,139,099,080.73/12,472,543.72
  6. Step 6: Final answer
    x = 5,754,891.76

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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.