Home / 8,999,278.30-12,418,996.02-5,079,859.41

Finding the Fourth Proportional to 8,999,278.30, 12,418,996.02 and 5,079,859.41

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Solution

The fourth proportional to 8,999,278.30, 12,418,996.02 and 5,079,859.41 is: 7,010,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,278.30 : 12,418,996.02 = 5,079,859.41 : x
  2. Step 2: Convert to fraction form
    8,999,278.30/12,418,996.02 = 5,079,859.41/x
  3. Step 3: Cross multiply
    8,999,278.30x = 12,418,996.02 × 5,079,859.41
  4. Step 4: Simplify right side
    8,999,278.30x = 63,086,753,813,999.02
  5. Step 5: Solve for x
    x = 63,086,753,813,999.02/8,999,278.30
  6. Step 6: Final answer
    x = 7,010,201.45

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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.