Home / 6,642,747.40-9,964,121.10-6,579,761.80

Finding the Fourth Proportional to 6,642,747.40, 9,964,121.10 and 6,579,761.80

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Solution

The fourth proportional to 6,642,747.40, 9,964,121.10 and 6,579,761.80 is: 9,869,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,747.40 : 9,964,121.10 = 6,579,761.80 : x
  2. Step 2: Convert to fraction form
    6,642,747.40/9,964,121.10 = 6,579,761.80/x
  3. Step 3: Cross multiply
    6,642,747.40x = 9,964,121.10 × 6,579,761.80
  4. Step 4: Simplify right side
    6,642,747.40x = 65,561,543,384,353.98
  5. Step 5: Solve for x
    x = 65,561,543,384,353.98/6,642,747.40
  6. Step 6: Final answer
    x = 9,869,642.70

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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.