Home / 21,888,007.20-32,832,010.80-13,825,850.40

Finding the Fourth Proportional to 21,888,007.20, 32,832,010.80 and 13,825,850.40

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Solution

The fourth proportional to 21,888,007.20, 32,832,010.80 and 13,825,850.40 is: 20,738,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,007.20 : 32,832,010.80 = 13,825,850.40 : x
  2. Step 2: Convert to fraction form
    21,888,007.20/32,832,010.80 = 13,825,850.40/x
  3. Step 3: Cross multiply
    21,888,007.20x = 32,832,010.80 × 13,825,850.40
  4. Step 4: Simplify right side
    21,888,007.20x = 453,930,469,651,984.31
  5. Step 5: Solve for x
    x = 453,930,469,651,984.31/21,888,007.20
  6. Step 6: Final answer
    x = 20,738,775.60

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Similar ratio
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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.