Home / 9,120,191.64-13,672,560.96-3,998,740.20

Finding the Fourth Proportional to 9,120,191.64, 13,672,560.96 and 3,998,740.20

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Solution

The fourth proportional to 9,120,191.64, 13,672,560.96 and 3,998,740.20 is: 5,994,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,191.64 : 13,672,560.96 = 3,998,740.20 : x
  2. Step 2: Convert to fraction form
    9,120,191.64/13,672,560.96 = 3,998,740.20/x
  3. Step 3: Cross multiply
    9,120,191.64x = 13,672,560.96 × 3,998,740.20
  4. Step 4: Simplify right side
    9,120,191.64x = 54,673,019,147,702.60
  5. Step 5: Solve for x
    x = 54,673,019,147,702.60/9,120,191.64
  6. Step 6: Final answer
    x = 5,994,722.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.