Home / 18,105,862.20-27,158,793.30-12,366,299.40

Finding the Fourth Proportional to 18,105,862.20, 27,158,793.30 and 12,366,299.40

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Solution

The fourth proportional to 18,105,862.20, 27,158,793.30 and 12,366,299.40 is: 18,549,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,862.20 : 27,158,793.30 = 12,366,299.40 : x
  2. Step 2: Convert to fraction form
    18,105,862.20/27,158,793.30 = 12,366,299.40/x
  3. Step 3: Cross multiply
    18,105,862.20x = 27,158,793.30 × 12,366,299.40
  4. Step 4: Simplify right side
    18,105,862.20x = 335,853,769,290,514.06
  5. Step 5: Solve for x
    x = 335,853,769,290,514.06/18,105,862.20
  6. Step 6: Final answer
    x = 18,549,449.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.