Home / 5,418,139.11-7,477,367.90-3,003,691.11

Finding the Fourth Proportional to 5,418,139.11, 7,477,367.90 and 3,003,691.11

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Solution

The fourth proportional to 5,418,139.11, 7,477,367.90 and 3,003,691.11 is: 4,145,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,139.11 : 7,477,367.90 = 3,003,691.11 : x
  2. Step 2: Convert to fraction form
    5,418,139.11/7,477,367.90 = 3,003,691.11/x
  3. Step 3: Cross multiply
    5,418,139.11x = 7,477,367.90 × 3,003,691.11
  4. Step 4: Simplify right side
    5,418,139.11x = 22,459,703,487,429.37
  5. Step 5: Solve for x
    x = 22,459,703,487,429.37/5,418,139.11
  6. Step 6: Final answer
    x = 4,145,279.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.