Home / 12,469,613.60-18,667,095.60-11,125,920.80

Finding the Fourth Proportional to 12,469,613.60, 18,667,095.60 and 11,125,920.80

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Solution

The fourth proportional to 12,469,613.60, 18,667,095.60 and 11,125,920.80 is: 16,655,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,613.60 : 18,667,095.60 = 11,125,920.80 : x
  2. Step 2: Convert to fraction form
    12,469,613.60/18,667,095.60 = 11,125,920.80/x
  3. Step 3: Cross multiply
    12,469,613.60x = 18,667,095.60 × 11,125,920.80
  4. Step 4: Simplify right side
    12,469,613.60x = 207,688,627,211,628.50
  5. Step 5: Solve for x
    x = 207,688,627,211,628.50/12,469,613.60
  6. Step 6: Final answer
    x = 16,655,578.42

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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.