Home / 20,171,805.10-30,100,376.75-17,997,888.22

Finding the Fourth Proportional to 20,171,805.10, 30,100,376.75 and 17,997,888.22

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Solution

The fourth proportional to 20,171,805.10, 30,100,376.75 and 17,997,888.22 is: 26,856,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,805.10 : 30,100,376.75 = 17,997,888.22 : x
  2. Step 2: Convert to fraction form
    20,171,805.10/30,100,376.75 = 17,997,888.22/x
  3. Step 3: Cross multiply
    20,171,805.10x = 30,100,376.75 × 17,997,888.22
  4. Step 4: Simplify right side
    20,171,805.10x = 541,743,216,036,397.44
  5. Step 5: Solve for x
    x = 541,743,216,036,397.44/20,171,805.10
  6. Step 6: Final answer
    x = 26,856,456.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.