Home / 10,885,177.75-15,021,540.88-5,990,399.83

Finding the Fourth Proportional to 10,885,177.75, 15,021,540.88 and 5,990,399.83

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Solution

The fourth proportional to 10,885,177.75, 15,021,540.88 and 5,990,399.83 is: 8,266,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885,177.75 : 15,021,540.88 = 5,990,399.83 : x
  2. Step 2: Convert to fraction form
    10,885,177.75/15,021,540.88 = 5,990,399.83/x
  3. Step 3: Cross multiply
    10,885,177.75x = 15,021,540.88 × 5,990,399.83
  4. Step 4: Simplify right side
    10,885,177.75x = 89,985,035,933,890.06
  5. Step 5: Solve for x
    x = 89,985,035,933,890.06/10,885,177.75
  6. Step 6: Final answer
    x = 8,266,749.34

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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.