Home / 9,289,765.20-13,945,145.40-5,505,380.40

Finding the Fourth Proportional to 9,289,765.20, 13,945,145.40 and 5,505,380.40

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Solution

The fourth proportional to 9,289,765.20, 13,945,145.40 and 5,505,380.40 is: 8,264,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,765.20 : 13,945,145.40 = 5,505,380.40 : x
  2. Step 2: Convert to fraction form
    9,289,765.20/13,945,145.40 = 5,505,380.40/x
  3. Step 3: Cross multiply
    9,289,765.20x = 13,945,145.40 × 5,505,380.40
  4. Step 4: Simplify right side
    9,289,765.20x = 76,773,330,160,310.17
  5. Step 5: Solve for x
    x = 76,773,330,160,310.17/9,289,765.20
  6. Step 6: Final answer
    x = 8,264,291.78

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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.