Home / 19,313,115.20-28,969,672.80-10,202,753.60

Finding the Fourth Proportional to 19,313,115.20, 28,969,672.80 and 10,202,753.60

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Solution

The fourth proportional to 19,313,115.20, 28,969,672.80 and 10,202,753.60 is: 15,304,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,115.20 : 28,969,672.80 = 10,202,753.60 : x
  2. Step 2: Convert to fraction form
    19,313,115.20/28,969,672.80 = 10,202,753.60/x
  3. Step 3: Cross multiply
    19,313,115.20x = 28,969,672.80 × 10,202,753.60
  4. Step 4: Simplify right side
    19,313,115.20x = 295,570,433,451,022.06
  5. Step 5: Solve for x
    x = 295,570,433,451,022.06/19,313,115.20
  6. Step 6: Final answer
    x = 15,304,130.40

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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.