Home / 13,528,270.76-18,667,977.54-7,726,251.56

Finding the Fourth Proportional to 13,528,270.76, 18,667,977.54 and 7,726,251.56

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Solution

The fourth proportional to 13,528,270.76, 18,667,977.54 and 7,726,251.56 is: 10,661,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,270.76 : 18,667,977.54 = 7,726,251.56 : x
  2. Step 2: Convert to fraction form
    13,528,270.76/18,667,977.54 = 7,726,251.56/x
  3. Step 3: Cross multiply
    13,528,270.76x = 18,667,977.54 × 7,726,251.56
  4. Step 4: Simplify right side
    13,528,270.76x = 144,233,490,590,469.94
  5. Step 5: Solve for x
    x = 144,233,490,590,469.94/13,528,270.76
  6. Step 6: Final answer
    x = 10,661,635.41

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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.