Home / 8,194,549.12-12,287,889.60-3,872,999.68

Finding the Fourth Proportional to 8,194,549.12, 12,287,889.60 and 3,872,999.68

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Solution

The fourth proportional to 8,194,549.12, 12,287,889.60 and 3,872,999.68 is: 5,807,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,549.12 : 12,287,889.60 = 3,872,999.68 : x
  2. Step 2: Convert to fraction form
    8,194,549.12/12,287,889.60 = 3,872,999.68/x
  3. Step 3: Cross multiply
    8,194,549.12x = 12,287,889.60 × 3,872,999.68
  4. Step 4: Simplify right side
    8,194,549.12x = 47,590,992,488,675.33
  5. Step 5: Solve for x
    x = 47,590,992,488,675.33/8,194,549.12
  6. Step 6: Final answer
    x = 5,807,640.15

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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.