Home / 12,248,732.40-18,373,098.60-9,414,380.40

Finding the Fourth Proportional to 12,248,732.40, 18,373,098.60 and 9,414,380.40

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Solution

The fourth proportional to 12,248,732.40, 18,373,098.60 and 9,414,380.40 is: 14,121,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,732.40 : 18,373,098.60 = 9,414,380.40 : x
  2. Step 2: Convert to fraction form
    12,248,732.40/18,373,098.60 = 9,414,380.40/x
  3. Step 3: Cross multiply
    12,248,732.40x = 18,373,098.60 × 9,414,380.40
  4. Step 4: Simplify right side
    12,248,732.40x = 172,971,339,347,107.47
  5. Step 5: Solve for x
    x = 172,971,339,347,107.47/12,248,732.40
  6. Step 6: Final answer
    x = 14,121,570.60

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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.