Home / 7,971,818.88-10,998,235.20-6,136,839.04

Finding the Fourth Proportional to 7,971,818.88, 10,998,235.20 and 6,136,839.04

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Solution

The fourth proportional to 7,971,818.88, 10,998,235.20 and 6,136,839.04 is: 8,466,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,818.88 : 10,998,235.20 = 6,136,839.04 : x
  2. Step 2: Convert to fraction form
    7,971,818.88/10,998,235.20 = 6,136,839.04/x
  3. Step 3: Cross multiply
    7,971,818.88x = 10,998,235.20 × 6,136,839.04
  4. Step 4: Simplify right side
    7,971,818.88x = 67,494,399,146,462.20
  5. Step 5: Solve for x
    x = 67,494,399,146,462.20/7,971,818.88
  6. Step 6: Final answer
    x = 8,466,624.76

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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.