Home / 6,643,132.70-9,964,699.05-5,036,999.90

Finding the Fourth Proportional to 6,643,132.70, 9,964,699.05 and 5,036,999.90

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Solution

The fourth proportional to 6,643,132.70, 9,964,699.05 and 5,036,999.90 is: 7,555,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,132.70 : 9,964,699.05 = 5,036,999.90 : x
  2. Step 2: Convert to fraction form
    6,643,132.70/9,964,699.05 = 5,036,999.90/x
  3. Step 3: Cross multiply
    6,643,132.70x = 9,964,699.05 × 5,036,999.90
  4. Step 4: Simplify right side
    6,643,132.70x = 50,192,188,118,380.10
  5. Step 5: Solve for x
    x = 50,192,188,118,380.10/6,643,132.70
  6. Step 6: Final answer
    x = 7,555,499.85

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Similar ratio
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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.