Home / 10,885,163.61-15,021,521.44-5,990,385.70

Finding the Fourth Proportional to 10,885,163.61, 15,021,521.44 and 5,990,385.70

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Solution

The fourth proportional to 10,885,163.61, 15,021,521.44 and 5,990,385.70 is: 8,266,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885,163.61 : 15,021,521.44 = 5,990,385.70 : x
  2. Step 2: Convert to fraction form
    10,885,163.61/15,021,521.44 = 5,990,385.70/x
  3. Step 3: Cross multiply
    10,885,163.61x = 15,021,521.44 × 5,990,385.70
  4. Step 4: Simplify right side
    10,885,163.61x = 89,984,707,230,220.34
  5. Step 5: Solve for x
    x = 89,984,707,230,220.34/10,885,163.61
  6. Step 6: Final answer
    x = 8,266,729.87

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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.