Home / 9,786,640.20-14,679,960.30-8,904,841.80

Finding the Fourth Proportional to 9,786,640.20, 14,679,960.30 and 8,904,841.80

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Solution

The fourth proportional to 9,786,640.20, 14,679,960.30 and 8,904,841.80 is: 13,357,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,640.20 : 14,679,960.30 = 8,904,841.80 : x
  2. Step 2: Convert to fraction form
    9,786,640.20/14,679,960.30 = 8,904,841.80/x
  3. Step 3: Cross multiply
    9,786,640.20x = 14,679,960.30 × 8,904,841.80
  4. Step 4: Simplify right side
    9,786,640.20x = 130,722,724,101,780.56
  5. Step 5: Solve for x
    x = 130,722,724,101,780.56/9,786,640.20
  6. Step 6: Final answer
    x = 13,357,262.70

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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.