Home / 18,954,327.60-28,431,491.40-10,892,170.80

Finding the Fourth Proportional to 18,954,327.60, 28,431,491.40 and 10,892,170.80

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Solution

The fourth proportional to 18,954,327.60, 28,431,491.40 and 10,892,170.80 is: 16,338,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,327.60 : 28,431,491.40 = 10,892,170.80 : x
  2. Step 2: Convert to fraction form
    18,954,327.60/28,431,491.40 = 10,892,170.80/x
  3. Step 3: Cross multiply
    18,954,327.60x = 28,431,491.40 × 10,892,170.80
  4. Step 4: Simplify right side
    18,954,327.60x = 309,680,660,427,531.12
  5. Step 5: Solve for x
    x = 309,680,660,427,531.12/18,954,327.60
  6. Step 6: Final answer
    x = 16,338,256.20

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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.