Home / 8,999,278.36-12,418,996.11-5,079,859.47

Finding the Fourth Proportional to 8,999,278.36, 12,418,996.11 and 5,079,859.47

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Solution

The fourth proportional to 8,999,278.36, 12,418,996.11 and 5,079,859.47 is: 7,010,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,278.36 : 12,418,996.11 = 5,079,859.47 : x
  2. Step 2: Convert to fraction form
    8,999,278.36/12,418,996.11 = 5,079,859.47/x
  3. Step 3: Cross multiply
    8,999,278.36x = 12,418,996.11 × 5,079,859.47
  4. Step 4: Simplify right side
    8,999,278.36x = 63,086,755,028,324.15
  5. Step 5: Solve for x
    x = 63,086,755,028,324.15/8,999,278.36
  6. Step 6: Final answer
    x = 7,010,201.54

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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.