Home / 8,172,442-12,258,662.76-3,853,486.88

Finding the Fourth Proportional to 8,172,442, 12,258,662.76 and 3,853,486.88

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Solution

The fourth proportional to 8,172,442, 12,258,662.76 and 3,853,486.88 is: 5,780,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,442 : 12,258,662.76 = 3,853,486.88 : x
  2. Step 2: Convert to fraction form
    8,172,442/12,258,662.76 = 3,853,486.88/x
  3. Step 3: Cross multiply
    8,172,442x = 12,258,662.76 × 3,853,486.88
  4. Step 4: Simplify right side
    8,172,442x = 47,238,596,112,004.59
  5. Step 5: Solve for x
    x = 47,238,596,112,004.59/8,172,442
  6. Step 6: Final answer
    x = 5,780,230.21

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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.