Home / 13,667,127.38-18,861,029.43-7,555,949.54

Finding the Fourth Proportional to 13,667,127.38, 18,861,029.43 and 7,555,949.54

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Solution

The fourth proportional to 13,667,127.38, 18,861,029.43 and 7,555,949.54 is: 10,427,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,127.38 : 18,861,029.43 = 7,555,949.54 : x
  2. Step 2: Convert to fraction form
    13,667,127.38/18,861,029.43 = 7,555,949.54/x
  3. Step 3: Cross multiply
    13,667,127.38x = 18,861,029.43 × 7,555,949.54
  4. Step 4: Simplify right side
    13,667,127.38x = 142,512,986,721,022.34
  5. Step 5: Solve for x
    x = 142,512,986,721,022.34/13,667,127.38
  6. Step 6: Final answer
    x = 10,427,428.00

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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.