Home / 6,418,927.61-8,859,028.28-3,972,326.66

Finding the Fourth Proportional to 6,418,927.61, 8,859,028.28 and 3,972,326.66

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Solution

The fourth proportional to 6,418,927.61, 8,859,028.28 and 3,972,326.66 is: 5,482,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,927.61 : 8,859,028.28 = 3,972,326.66 : x
  2. Step 2: Convert to fraction form
    6,418,927.61/8,859,028.28 = 3,972,326.66/x
  3. Step 3: Cross multiply
    6,418,927.61x = 8,859,028.28 × 3,972,326.66
  4. Step 4: Simplify right side
    6,418,927.61x = 35,190,954,218,337.95
  5. Step 5: Solve for x
    x = 35,190,954,218,337.95/6,418,927.61
  6. Step 6: Final answer
    x = 5,482,372.81

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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.