Home / 12,117,584.70-18,167,337.45-7,324,263.90

Finding the Fourth Proportional to 12,117,584.70, 18,167,337.45 and 7,324,263.90

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Solution

The fourth proportional to 12,117,584.70, 18,167,337.45 and 7,324,263.90 is: 10,980,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,584.70 : 18,167,337.45 = 7,324,263.90 : x
  2. Step 2: Convert to fraction form
    12,117,584.70/18,167,337.45 = 7,324,263.90/x
  3. Step 3: Cross multiply
    12,117,584.70x = 18,167,337.45 × 7,324,263.90
  4. Step 4: Simplify right side
    12,117,584.70x = 133,062,373,844,153.06
  5. Step 5: Solve for x
    x = 133,062,373,844,153.06/12,117,584.70
  6. Step 6: Final answer
    x = 10,980,932.02

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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.