Home / 13,743,551.70-20,615,327.55-13,428,623.70

Finding the Fourth Proportional to 13,743,551.70, 20,615,327.55 and 13,428,623.70

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Solution

The fourth proportional to 13,743,551.70, 20,615,327.55 and 13,428,623.70 is: 20,142,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,551.70 : 20,615,327.55 = 13,428,623.70 : x
  2. Step 2: Convert to fraction form
    13,743,551.70/20,615,327.55 = 13,428,623.70/x
  3. Step 3: Cross multiply
    13,743,551.70x = 20,615,327.55 × 13,428,623.70
  4. Step 4: Simplify right side
    13,743,551.70x = 276,835,476,121,192.94
  5. Step 5: Solve for x
    x = 276,835,476,121,192.94/13,743,551.70
  6. Step 6: Final answer
    x = 20,142,935.55

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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.