Home / 20,232,000.70-30,348,001.05-17,893,660.30

Finding the Fourth Proportional to 20,232,000.70, 30,348,001.05 and 17,893,660.30

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Solution

The fourth proportional to 20,232,000.70, 30,348,001.05 and 17,893,660.30 is: 26,840,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,000.70 : 30,348,001.05 = 17,893,660.30 : x
  2. Step 2: Convert to fraction form
    20,232,000.70/30,348,001.05 = 17,893,660.30/x
  3. Step 3: Cross multiply
    20,232,000.70x = 30,348,001.05 × 17,893,660.30
  4. Step 4: Simplify right side
    20,232,000.70x = 543,036,821,572,743.38
  5. Step 5: Solve for x
    x = 543,036,821,572,743.38/20,232,000.70
  6. Step 6: Final answer
    x = 26,840,490.45

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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.