Home / 12,380,449.20-18,584,670.60-9,553,095.60

Finding the Fourth Proportional to 12,380,449.20, 18,584,670.60 and 9,553,095.60

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Solution

The fourth proportional to 12,380,449.20, 18,584,670.60 and 9,553,095.60 is: 14,340,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,449.20 : 18,584,670.60 = 9,553,095.60 : x
  2. Step 2: Convert to fraction form
    12,380,449.20/18,584,670.60 = 9,553,095.60/x
  3. Step 3: Cross multiply
    12,380,449.20x = 18,584,670.60 × 9,553,095.60
  4. Step 4: Simplify right side
    12,380,449.20x = 177,541,134,936,309.38
  5. Step 5: Solve for x
    x = 177,541,134,936,309.38/12,380,449.20
  6. Step 6: Final answer
    x = 14,340,443.72

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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.