Home / 12,481,815.20-17,224,928.38-6,975,190.08

Finding the Fourth Proportional to 12,481,815.20, 17,224,928.38 and 6,975,190.08

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Solution

The fourth proportional to 12,481,815.20, 17,224,928.38 and 6,975,190.08 is: 9,625,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,815.20 : 17,224,928.38 = 6,975,190.08 : x
  2. Step 2: Convert to fraction form
    12,481,815.20/17,224,928.38 = 6,975,190.08/x
  3. Step 3: Cross multiply
    12,481,815.20x = 17,224,928.38 × 6,975,190.08
  4. Step 4: Simplify right side
    12,481,815.20x = 120,147,149,564,886.47
  5. Step 5: Solve for x
    x = 120,147,149,564,886.47/12,481,815.20
  6. Step 6: Final answer
    x = 9,625,775.39

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1.5x scale

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.