Home / 9,015,657.85-12,439,774.24-5,342,958.28

Finding the Fourth Proportional to 9,015,657.85, 12,439,774.24 and 5,342,958.28

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Solution

The fourth proportional to 9,015,657.85, 12,439,774.24 and 5,342,958.28 is: 7,372,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,657.85 : 12,439,774.24 = 5,342,958.28 : x
  2. Step 2: Convert to fraction form
    9,015,657.85/12,439,774.24 = 5,342,958.28/x
  3. Step 3: Cross multiply
    9,015,657.85x = 12,439,774.24 × 5,342,958.28
  4. Step 4: Simplify right side
    9,015,657.85x = 66,465,194,776,938.71
  5. Step 5: Solve for x
    x = 66,465,194,776,938.71/9,015,657.85
  6. Step 6: Final answer
    x = 7,372,195.78

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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.