Home / 9,679,340.20-14,526,008.70-5,414,981.80

Finding the Fourth Proportional to 9,679,340.20, 14,526,008.70 and 5,414,981.80

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Solution

The fourth proportional to 9,679,340.20, 14,526,008.70 and 5,414,981.80 is: 8,126,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,340.20 : 14,526,008.70 = 5,414,981.80 : x
  2. Step 2: Convert to fraction form
    9,679,340.20/14,526,008.70 = 5,414,981.80/x
  3. Step 3: Cross multiply
    9,679,340.20x = 14,526,008.70 × 5,414,981.80
  4. Step 4: Simplify right side
    9,679,340.20x = 78,658,072,737,141.66
  5. Step 5: Solve for x
    x = 78,658,072,737,141.66/9,679,340.20
  6. Step 6: Final answer
    x = 8,126,387.86

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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.