Home / 13,436,258.40-20,154,387.60-11,042,805.60

Finding the Fourth Proportional to 13,436,258.40, 20,154,387.60 and 11,042,805.60

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Solution

The fourth proportional to 13,436,258.40, 20,154,387.60 and 11,042,805.60 is: 16,564,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,258.40 : 20,154,387.60 = 11,042,805.60 : x
  2. Step 2: Convert to fraction form
    13,436,258.40/20,154,387.60 = 11,042,805.60/x
  3. Step 3: Cross multiply
    13,436,258.40x = 20,154,387.60 × 11,042,805.60
  4. Step 4: Simplify right side
    13,436,258.40x = 222,560,984,253,850.56
  5. Step 5: Solve for x
    x = 222,560,984,253,850.56/13,436,258.40
  6. Step 6: Final answer
    x = 16,564,208.40

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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.