Home / 23,639,200.80-35,458,801.20-20,653,216.80

Finding the Fourth Proportional to 23,639,200.80, 35,458,801.20 and 20,653,216.80

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Solution

The fourth proportional to 23,639,200.80, 35,458,801.20 and 20,653,216.80 is: 30,979,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639,200.80 : 35,458,801.20 = 20,653,216.80 : x
  2. Step 2: Convert to fraction form
    23,639,200.80/35,458,801.20 = 20,653,216.80/x
  3. Step 3: Cross multiply
    23,639,200.80x = 35,458,801.20 × 20,653,216.80
  4. Step 4: Simplify right side
    23,639,200.80x = 732,338,308,651,700.25
  5. Step 5: Solve for x
    x = 732,338,308,651,700.25/23,639,200.80
  6. Step 6: Final answer
    x = 30,979,825.20

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Double scale
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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.