Home / 12,074,542.22-18,104,498.73-5,418,458.55

Finding the Fourth Proportional to 12,074,542.22, 18,104,498.73 and 5,418,458.55

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Solution

The fourth proportional to 12,074,542.22, 18,104,498.73 and 5,418,458.55 is: 8,124,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,542.22 : 18,104,498.73 = 5,418,458.55 : x
  2. Step 2: Convert to fraction form
    12,074,542.22/18,104,498.73 = 5,418,458.55/x
  3. Step 3: Cross multiply
    12,074,542.22x = 18,104,498.73 × 5,418,458.55
  4. Step 4: Simplify right side
    12,074,542.22x = 98,098,475,937,032.64
  5. Step 5: Solve for x
    x = 98,098,475,937,032.64/12,074,542.22
  6. Step 6: Final answer
    x = 8,124,405.39

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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.