Home / 18,719,445.92-25,841,815.44-11,847,259.04

Finding the Fourth Proportional to 18,719,445.92, 25,841,815.44 and 11,847,259.04

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Solution

The fourth proportional to 18,719,445.92, 25,841,815.44 and 11,847,259.04 is: 16,354,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,445.92 : 25,841,815.44 = 11,847,259.04 : x
  2. Step 2: Convert to fraction form
    18,719,445.92/25,841,815.44 = 11,847,259.04/x
  3. Step 3: Cross multiply
    18,719,445.92x = 25,841,815.44 × 11,847,259.04
  4. Step 4: Simplify right side
    18,719,445.92x = 306,154,681,581,551.56
  5. Step 5: Solve for x
    x = 306,154,681,581,551.56/18,719,445.92
  6. Step 6: Final answer
    x = 16,354,900.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.