Home / 12,231,617.10-18,359,235.45-7,448,648.10

Finding the Fourth Proportional to 12,231,617.10, 18,359,235.45 and 7,448,648.10

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Solution

The fourth proportional to 12,231,617.10, 18,359,235.45 and 7,448,648.10 is: 11,180,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,617.10 : 18,359,235.45 = 7,448,648.10 : x
  2. Step 2: Convert to fraction form
    12,231,617.10/18,359,235.45 = 7,448,648.10/x
  3. Step 3: Cross multiply
    12,231,617.10x = 18,359,235.45 × 7,448,648.10
  4. Step 4: Simplify right side
    12,231,617.10x = 136,751,484,252,095.12
  5. Step 5: Solve for x
    x = 136,751,484,252,095.12/12,231,617.10
  6. Step 6: Final answer
    x = 11,180,163.93

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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.