Home / 20,348,029.60-30,522,044.40-13,891,021.45

Finding the Fourth Proportional to 20,348,029.60, 30,522,044.40 and 13,891,021.45

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Solution

The fourth proportional to 20,348,029.60, 30,522,044.40 and 13,891,021.45 is: 20,836,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,029.60 : 30,522,044.40 = 13,891,021.45 : x
  2. Step 2: Convert to fraction form
    20,348,029.60/30,522,044.40 = 13,891,021.45/x
  3. Step 3: Cross multiply
    20,348,029.60x = 30,522,044.40 × 13,891,021.45
  4. Step 4: Simplify right side
    20,348,029.60x = 423,982,373,458,252.31
  5. Step 5: Solve for x
    x = 423,982,373,458,252.31/20,348,029.60
  6. Step 6: Final answer
    x = 20,836,532.18

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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.