Home / 13,182,882.60-18,190,273.50-7,381,908.84

Finding the Fourth Proportional to 13,182,882.60, 18,190,273.50 and 7,381,908.84

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Solution

The fourth proportional to 13,182,882.60, 18,190,273.50 and 7,381,908.84 is: 10,185,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,882.60 : 18,190,273.50 = 7,381,908.84 : x
  2. Step 2: Convert to fraction form
    13,182,882.60/18,190,273.50 = 7,381,908.84/x
  3. Step 3: Cross multiply
    13,182,882.60x = 18,190,273.50 × 7,381,908.84
  4. Step 4: Simplify right side
    13,182,882.60x = 134,278,940,751,667.73
  5. Step 5: Solve for x
    x = 134,278,940,751,667.73/13,182,882.60
  6. Step 6: Final answer
    x = 10,185,855.77

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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.