Home / 12,241,210.40-18,361,815.60-10,918,512.80

Finding the Fourth Proportional to 12,241,210.40, 18,361,815.60 and 10,918,512.80

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Solution

The fourth proportional to 12,241,210.40, 18,361,815.60 and 10,918,512.80 is: 16,377,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,210.40 : 18,361,815.60 = 10,918,512.80 : x
  2. Step 2: Convert to fraction form
    12,241,210.40/18,361,815.60 = 10,918,512.80/x
  3. Step 3: Cross multiply
    12,241,210.40x = 18,361,815.60 × 10,918,512.80
  4. Step 4: Simplify right side
    12,241,210.40x = 200,483,718,659,839.72
  5. Step 5: Solve for x
    x = 200,483,718,659,839.72/12,241,210.40
  6. Step 6: Final answer
    x = 16,377,769.20

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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.