Home / 9,358,380.50-12,914,327.16-5,228,442.66

Finding the Fourth Proportional to 9,358,380.50, 12,914,327.16 and 5,228,442.66

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Solution

The fourth proportional to 9,358,380.50, 12,914,327.16 and 5,228,442.66 is: 7,215,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,380.50 : 12,914,327.16 = 5,228,442.66 : x
  2. Step 2: Convert to fraction form
    9,358,380.50/12,914,327.16 = 5,228,442.66/x
  3. Step 3: Cross multiply
    9,358,380.50x = 12,914,327.16 × 5,228,442.66
  4. Step 4: Simplify right side
    9,358,380.50x = 67,521,819,048,540.65
  5. Step 5: Solve for x
    x = 67,521,819,048,540.65/9,358,380.50
  6. Step 6: Final answer
    x = 7,215,117.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.