Home / 20,048,679.84-27,667,443.60-10,881,432.48

Finding the Fourth Proportional to 20,048,679.84, 27,667,443.60 and 10,881,432.48

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Solution

The fourth proportional to 20,048,679.84, 27,667,443.60 and 10,881,432.48 is: 15,016,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,679.84 : 27,667,443.60 = 10,881,432.48 : x
  2. Step 2: Convert to fraction form
    20,048,679.84/27,667,443.60 = 10,881,432.48/x
  3. Step 3: Cross multiply
    20,048,679.84x = 27,667,443.60 × 10,881,432.48
  4. Step 4: Simplify right side
    20,048,679.84x = 301,061,419,427,608.19
  5. Step 5: Solve for x
    x = 301,061,419,427,608.19/20,048,679.84
  6. Step 6: Final answer
    x = 15,016,520.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.