Home / 9,015,654.85-12,439,770.11-5,342,955.28

Finding the Fourth Proportional to 9,015,654.85, 12,439,770.11 and 5,342,955.28

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Solution

The fourth proportional to 9,015,654.85, 12,439,770.11 and 5,342,955.28 is: 7,372,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,654.85 : 12,439,770.11 = 5,342,955.28 : x
  2. Step 2: Convert to fraction form
    9,015,654.85/12,439,770.11 = 5,342,955.28/x
  3. Step 3: Cross multiply
    9,015,654.85x = 12,439,770.11 × 5,342,955.28
  4. Step 4: Simplify right side
    9,015,654.85x = 66,465,135,353,432.56
  5. Step 5: Solve for x
    x = 66,465,135,353,432.56/9,015,654.85
  6. Step 6: Final answer
    x = 7,372,191.65

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1.5x scale

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.