Home / 22,188,867.60-33,283,301.40-18,406,621.20

Finding the Fourth Proportional to 22,188,867.60, 33,283,301.40 and 18,406,621.20

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Solution

The fourth proportional to 22,188,867.60, 33,283,301.40 and 18,406,621.20 is: 27,609,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,867.60 : 33,283,301.40 = 18,406,621.20 : x
  2. Step 2: Convert to fraction form
    22,188,867.60/33,283,301.40 = 18,406,621.20/x
  3. Step 3: Cross multiply
    22,188,867.60x = 33,283,301.40 × 18,406,621.20
  4. Step 4: Simplify right side
    22,188,867.60x = 612,633,121,155,229.62
  5. Step 5: Solve for x
    x = 612,633,121,155,229.62/22,188,867.60
  6. Step 6: Final answer
    x = 27,609,931.80

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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.