Home / 8,940,060.40-13,418,751.12-8,454,546.40

Finding the Fourth Proportional to 8,940,060.40, 13,418,751.12 and 8,454,546.40

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Solution

The fourth proportional to 8,940,060.40, 13,418,751.12 and 8,454,546.40 is: 12,690,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,060.40 : 13,418,751.12 = 8,454,546.40 : x
  2. Step 2: Convert to fraction form
    8,940,060.40/13,418,751.12 = 8,454,546.40/x
  3. Step 3: Cross multiply
    8,940,060.40x = 13,418,751.12 × 8,454,546.40
  4. Step 4: Simplify right side
    8,940,060.40x = 113,449,453,974,091.97
  5. Step 5: Solve for x
    x = 113,449,453,974,091.97/8,940,060.40
  6. Step 6: Final answer
    x = 12,690,009.79

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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.