Home / 6,387,964.50-8,815,310.55-3,634,643.28

Finding the Fourth Proportional to 6,387,964.50, 8,815,310.55 and 3,634,643.28

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Solution

The fourth proportional to 6,387,964.50, 8,815,310.55 and 3,634,643.28 is: 5,015,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,964.50 : 8,815,310.55 = 3,634,643.28 : x
  2. Step 2: Convert to fraction form
    6,387,964.50/8,815,310.55 = 3,634,643.28/x
  3. Step 3: Cross multiply
    6,387,964.50x = 8,815,310.55 × 3,634,643.28
  4. Step 4: Simplify right side
    6,387,964.50x = 32,040,509,251,670.61
  5. Step 5: Solve for x
    x = 32,040,509,251,670.61/6,387,964.50
  6. Step 6: Final answer
    x = 5,015,761.95

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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.