Home / 7,465,697.70-11,188,135.95-5,642,565.90

Finding the Fourth Proportional to 7,465,697.70, 11,188,135.95 and 5,642,565.90

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Solution

The fourth proportional to 7,465,697.70, 11,188,135.95 and 5,642,565.90 is: 8,455,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465,697.70 : 11,188,135.95 = 5,642,565.90 : x
  2. Step 2: Convert to fraction form
    7,465,697.70/11,188,135.95 = 5,642,565.90/x
  3. Step 3: Cross multiply
    7,465,697.70x = 11,188,135.95 × 5,642,565.90
  4. Step 4: Simplify right side
    7,465,697.70x = 63,129,794,396,034.10
  5. Step 5: Solve for x
    x = 63,129,794,396,034.10/7,465,697.70
  6. Step 6: Final answer
    x = 8,455,980.53

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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.