Home / 12,090,597.39-18,138,288.12-3,454,775.91

Finding the Fourth Proportional to 12,090,597.39, 18,138,288.12 and 3,454,775.91

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Solution

The fourth proportional to 12,090,597.39, 18,138,288.12 and 3,454,775.91 is: 5,182,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,597.39 : 18,138,288.12 = 3,454,775.91 : x
  2. Step 2: Convert to fraction form
    12,090,597.39/18,138,288.12 = 3,454,775.91/x
  3. Step 3: Cross multiply
    12,090,597.39x = 18,138,288.12 × 3,454,775.91
  4. Step 4: Simplify right side
    12,090,597.39x = 62,663,720,845,615.20
  5. Step 5: Solve for x
    x = 62,663,720,845,615.20/12,090,597.39
  6. Step 6: Final answer
    x = 5,182,847.37

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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.