Home / 13,743,554.20-20,615,331.30-13,428,626.20

Finding the Fourth Proportional to 13,743,554.20, 20,615,331.30 and 13,428,626.20

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Solution

The fourth proportional to 13,743,554.20, 20,615,331.30 and 13,428,626.20 is: 20,142,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,554.20 : 20,615,331.30 = 13,428,626.20 : x
  2. Step 2: Convert to fraction form
    13,743,554.20/20,615,331.30 = 13,428,626.20/x
  3. Step 3: Cross multiply
    13,743,554.20x = 20,615,331.30 × 13,428,626.20
  4. Step 4: Simplify right side
    13,743,554.20x = 276,835,578,016,860.06
  5. Step 5: Solve for x
    x = 276,835,578,016,860.06/13,743,554.20
  6. Step 6: Final answer
    x = 20,142,939.30

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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.