Home / 8,900,147.76-12,281,688.36-5,033,479.92

Finding the Fourth Proportional to 8,900,147.76, 12,281,688.36 and 5,033,479.92

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Solution

The fourth proportional to 8,900,147.76, 12,281,688.36 and 5,033,479.92 is: 6,945,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,147.76 : 12,281,688.36 = 5,033,479.92 : x
  2. Step 2: Convert to fraction form
    8,900,147.76/12,281,688.36 = 5,033,479.92/x
  3. Step 3: Cross multiply
    8,900,147.76x = 12,281,688.36 × 5,033,479.92
  4. Step 4: Simplify right side
    8,900,147.76x = 61,819,631,743,757.73
  5. Step 5: Solve for x
    x = 61,819,631,743,757.73/8,900,147.76
  6. Step 6: Final answer
    x = 6,945,910.72

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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.