Home / 21,525,020.40-32,287,530.60-20,592,046.20

Finding the Fourth Proportional to 21,525,020.40, 32,287,530.60 and 20,592,046.20

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Solution

The fourth proportional to 21,525,020.40, 32,287,530.60 and 20,592,046.20 is: 30,888,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,020.40 : 32,287,530.60 = 20,592,046.20 : x
  2. Step 2: Convert to fraction form
    21,525,020.40/32,287,530.60 = 20,592,046.20/x
  3. Step 3: Cross multiply
    21,525,020.40x = 32,287,530.60 × 20,592,046.20
  4. Step 4: Simplify right side
    21,525,020.40x = 664,866,321,799,113.75
  5. Step 5: Solve for x
    x = 664,866,321,799,113.75/21,525,020.40
  6. Step 6: Final answer
    x = 30,888,069.30

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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.