Home / 7,015,840.88-9,681,861.02-3,960,251.96

Finding the Fourth Proportional to 7,015,840.88, 9,681,861.02 and 3,960,251.96

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Solution

The fourth proportional to 7,015,840.88, 9,681,861.02 and 3,960,251.96 is: 5,465,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,840.88 : 9,681,861.02 = 3,960,251.96 : x
  2. Step 2: Convert to fraction form
    7,015,840.88/9,681,861.02 = 3,960,251.96/x
  3. Step 3: Cross multiply
    7,015,840.88x = 9,681,861.02 × 3,960,251.96
  4. Step 4: Simplify right side
    7,015,840.88x = 38,342,609,012,692.04
  5. Step 5: Solve for x
    x = 38,342,609,012,692.04/7,015,840.88
  6. Step 6: Final answer
    x = 5,465,148.04

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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.