Home / 21,343,315.85-32,015,049.71-5,169,277.97

Finding the Fourth Proportional to 21,343,315.85, 32,015,049.71 and 5,169,277.97

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Solution

The fourth proportional to 21,343,315.85, 32,015,049.71 and 5,169,277.97 is: 7,753,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,315.85 : 32,015,049.71 = 5,169,277.97 : x
  2. Step 2: Convert to fraction form
    21,343,315.85/32,015,049.71 = 5,169,277.97/x
  3. Step 3: Cross multiply
    21,343,315.85x = 32,015,049.71 × 5,169,277.97
  4. Step 4: Simplify right side
    21,343,315.85x = 165,494,691,174,357.88
  5. Step 5: Solve for x
    x = 165,494,691,174,357.88/21,343,315.85
  6. Step 6: Final answer
    x = 7,753,935.35

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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.