Home / 12,299,177.60-18,448,766.40-12,110,220.80

Finding the Fourth Proportional to 12,299,177.60, 18,448,766.40 and 12,110,220.80

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Solution

The fourth proportional to 12,299,177.60, 18,448,766.40 and 12,110,220.80 is: 18,165,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,177.60 : 18,448,766.40 = 12,110,220.80 : x
  2. Step 2: Convert to fraction form
    12,299,177.60/18,448,766.40 = 12,110,220.80/x
  3. Step 3: Cross multiply
    12,299,177.60x = 18,448,766.40 × 12,110,220.80
  4. Step 4: Simplify right side
    12,299,177.60x = 223,418,634,591,621.12
  5. Step 5: Solve for x
    x = 223,418,634,591,621.12/12,299,177.60
  6. Step 6: Final answer
    x = 18,165,331.20

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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.