Home / 12,391,881-18,595,102.92-5,202,862.08

Finding the Fourth Proportional to 12,391,881, 18,595,102.92 and 5,202,862.08

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Solution

The fourth proportional to 12,391,881, 18,595,102.92 and 5,202,862.08 is: 7,807,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,881 : 18,595,102.92 = 5,202,862.08 : x
  2. Step 2: Convert to fraction form
    12,391,881/18,595,102.92 = 5,202,862.08/x
  3. Step 3: Cross multiply
    12,391,881x = 18,595,102.92 × 5,202,862.08
  4. Step 4: Simplify right side
    12,391,881x = 96,747,755,856,165.28
  5. Step 5: Solve for x
    x = 96,747,755,856,165.28/12,391,881
  6. Step 6: Final answer
    x = 7,807,350.30

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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.