Home / 12,003,625.05-18,005,410.89-9,275,139.90

Finding the Fourth Proportional to 12,003,625.05, 18,005,410.89 and 9,275,139.90

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Solution

The fourth proportional to 12,003,625.05, 18,005,410.89 and 9,275,139.90 is: 13,912,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,625.05 : 18,005,410.89 = 9,275,139.90 : x
  2. Step 2: Convert to fraction form
    12,003,625.05/18,005,410.89 = 9,275,139.90/x
  3. Step 3: Cross multiply
    12,003,625.05x = 18,005,410.89 × 9,275,139.90
  4. Step 4: Simplify right side
    12,003,625.05x = 167,002,704,961,733.53
  5. Step 5: Solve for x
    x = 167,002,704,961,733.53/12,003,625.05
  6. Step 6: Final answer
    x = 13,912,689.23

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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.