Home / 8,389,186.24-12,522,535.15-7,198,758.40

Finding the Fourth Proportional to 8,389,186.24, 12,522,535.15 and 7,198,758.40

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Solution

The fourth proportional to 8,389,186.24, 12,522,535.15 and 7,198,758.40 is: 10,745,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,186.24 : 12,522,535.15 = 7,198,758.40 : x
  2. Step 2: Convert to fraction form
    8,389,186.24/12,522,535.15 = 7,198,758.40/x
  3. Step 3: Cross multiply
    8,389,186.24x = 12,522,535.15 × 7,198,758.40
  4. Step 4: Simplify right side
    8,389,186.24x = 90,146,705,064,363.97
  5. Step 5: Solve for x
    x = 90,146,705,064,363.97/8,389,186.24
  6. Step 6: Final answer
    x = 10,745,583.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.