Home / 12,731,626.62-17,570,068.61-7,150,855.05

Finding the Fourth Proportional to 12,731,626.62, 17,570,068.61 and 7,150,855.05

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Solution

The fourth proportional to 12,731,626.62, 17,570,068.61 and 7,150,855.05 is: 9,868,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,626.62 : 17,570,068.61 = 7,150,855.05 : x
  2. Step 2: Convert to fraction form
    12,731,626.62/17,570,068.61 = 7,150,855.05/x
  3. Step 3: Cross multiply
    12,731,626.62x = 17,570,068.61 × 7,150,855.05
  4. Step 4: Simplify right side
    12,731,626.62x = 125,641,013,812,910.70
  5. Step 5: Solve for x
    x = 125,641,013,812,910.70/12,731,626.62
  6. Step 6: Final answer
    x = 9,868,418.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.