Home / 8,172,964.80-12,262,071.60-3,622,255.20

Finding the Fourth Proportional to 8,172,964.80, 12,262,071.60 and 3,622,255.20

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Solution

The fourth proportional to 8,172,964.80, 12,262,071.60 and 3,622,255.20 is: 5,434,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,964.80 : 12,262,071.60 = 3,622,255.20 : x
  2. Step 2: Convert to fraction form
    8,172,964.80/12,262,071.60 = 3,622,255.20/x
  3. Step 3: Cross multiply
    8,172,964.80x = 12,262,071.60 × 3,622,255.20
  4. Step 4: Simplify right side
    8,172,964.80x = 44,416,352,615,872.32
  5. Step 5: Solve for x
    x = 44,416,352,615,872.32/8,172,964.80
  6. Step 6: Final answer
    x = 5,434,545.93

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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.