Home / 12,541,631.60-18,812,447.40-10,022,207.60

Finding the Fourth Proportional to 12,541,631.60, 18,812,447.40 and 10,022,207.60

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Solution

The fourth proportional to 12,541,631.60, 18,812,447.40 and 10,022,207.60 is: 15,033,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,631.60 : 18,812,447.40 = 10,022,207.60 : x
  2. Step 2: Convert to fraction form
    12,541,631.60/18,812,447.40 = 10,022,207.60/x
  3. Step 3: Cross multiply
    12,541,631.60x = 18,812,447.40 × 10,022,207.60
  4. Step 4: Simplify right side
    12,541,631.60x = 188,542,253,306,880.22
  5. Step 5: Solve for x
    x = 188,542,253,306,880.22/12,541,631.60
  6. Step 6: Final answer
    x = 15,033,311.40

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1.5x scale

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.