Home / 12,231,686.35-18,347,529.53-3,712,009.15

Finding the Fourth Proportional to 12,231,686.35, 18,347,529.53 and 3,712,009.15

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Solution

The fourth proportional to 12,231,686.35, 18,347,529.53 and 3,712,009.15 is: 5,568,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,686.35 : 18,347,529.53 = 3,712,009.15 : x
  2. Step 2: Convert to fraction form
    12,231,686.35/18,347,529.53 = 3,712,009.15/x
  3. Step 3: Cross multiply
    12,231,686.35x = 18,347,529.53 × 3,712,009.15
  4. Step 4: Simplify right side
    12,231,686.35x = 68,106,197,476,695.15
  5. Step 5: Solve for x
    x = 68,106,197,476,695.15/12,231,686.35
  6. Step 6: Final answer
    x = 5,568,013.73

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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.