Home / 12,377,115.60-18,565,673.40-9,188,469.60

Finding the Fourth Proportional to 12,377,115.60, 18,565,673.40 and 9,188,469.60

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Solution

The fourth proportional to 12,377,115.60, 18,565,673.40 and 9,188,469.60 is: 13,782,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,115.60 : 18,565,673.40 = 9,188,469.60 : x
  2. Step 2: Convert to fraction form
    12,377,115.60/18,565,673.40 = 9,188,469.60/x
  3. Step 3: Cross multiply
    12,377,115.60x = 18,565,673.40 × 9,188,469.60
  4. Step 4: Simplify right side
    12,377,115.60x = 170,590,125,639,428.62
  5. Step 5: Solve for x
    x = 170,590,125,639,428.62/12,377,115.60
  6. Step 6: Final answer
    x = 13,782,704.40

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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.