Home / 7,977,815.12-11,960,061.24-3,715,789.52

Finding the Fourth Proportional to 7,977,815.12, 11,960,061.24 and 3,715,789.52

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Solution

The fourth proportional to 7,977,815.12, 11,960,061.24 and 3,715,789.52 is: 5,570,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,815.12 : 11,960,061.24 = 3,715,789.52 : x
  2. Step 2: Convert to fraction form
    7,977,815.12/11,960,061.24 = 3,715,789.52/x
  3. Step 3: Cross multiply
    7,977,815.12x = 11,960,061.24 × 3,715,789.52
  4. Step 4: Simplify right side
    7,977,815.12x = 44,441,070,214,150.20
  5. Step 5: Solve for x
    x = 44,441,070,214,150.20/7,977,815.12
  6. Step 6: Final answer
    x = 5,570,581.61

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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.