Home / 20,415,062.80-30,622,594.20-18,183,010.60

Finding the Fourth Proportional to 20,415,062.80, 30,622,594.20 and 18,183,010.60

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Solution

The fourth proportional to 20,415,062.80, 30,622,594.20 and 18,183,010.60 is: 27,274,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,062.80 : 30,622,594.20 = 18,183,010.60 : x
  2. Step 2: Convert to fraction form
    20,415,062.80/30,622,594.20 = 18,183,010.60/x
  3. Step 3: Cross multiply
    20,415,062.80x = 30,622,594.20 × 18,183,010.60
  4. Step 4: Simplify right side
    20,415,062.80x = 556,810,954,938,098.56
  5. Step 5: Solve for x
    x = 556,810,954,938,098.56/20,415,062.80
  6. Step 6: Final answer
    x = 27,274,515.90

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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.