Home / 11,127,860.20-16,691,790.30-8,258,078.80

Finding the Fourth Proportional to 11,127,860.20, 16,691,790.30 and 8,258,078.80

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Solution

The fourth proportional to 11,127,860.20, 16,691,790.30 and 8,258,078.80 is: 12,387,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,860.20 : 16,691,790.30 = 8,258,078.80 : x
  2. Step 2: Convert to fraction form
    11,127,860.20/16,691,790.30 = 8,258,078.80/x
  3. Step 3: Cross multiply
    11,127,860.20x = 16,691,790.30 × 8,258,078.80
  4. Step 4: Simplify right side
    11,127,860.20x = 137,842,119,610,475.64
  5. Step 5: Solve for x
    x = 137,842,119,610,475.64/11,127,860.20
  6. Step 6: Final answer
    x = 12,387,118.20

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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.