Home / 8,321,352.60-12,468,032.10-7,117,627.80

Finding the Fourth Proportional to 8,321,352.60, 12,468,032.10 and 7,117,627.80

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Solution

The fourth proportional to 8,321,352.60, 12,468,032.10 and 7,117,627.80 is: 10,664,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,352.60 : 12,468,032.10 = 7,117,627.80 : x
  2. Step 2: Convert to fraction form
    8,321,352.60/12,468,032.10 = 7,117,627.80/x
  3. Step 3: Cross multiply
    8,321,352.60x = 12,468,032.10 × 7,117,627.80
  4. Step 4: Simplify right side
    8,321,352.60x = 88,742,811,886,252.38
  5. Step 5: Solve for x
    x = 88,742,811,886,252.38/8,321,352.60
  6. Step 6: Final answer
    x = 10,664,469.61

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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.