Home / 11,247,943.92-15,526,238.40-7,381,716.72

Finding the Fourth Proportional to 11,247,943.92, 15,526,238.40 and 7,381,716.72

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Solution

The fourth proportional to 11,247,943.92, 15,526,238.40 and 7,381,716.72 is: 10,189,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,943.92 : 15,526,238.40 = 7,381,716.72 : x
  2. Step 2: Convert to fraction form
    11,247,943.92/15,526,238.40 = 7,381,716.72/x
  3. Step 3: Cross multiply
    11,247,943.92x = 15,526,238.40 × 7,381,716.72
  4. Step 4: Simplify right side
    11,247,943.92x = 114,610,293,595,986.05
  5. Step 5: Solve for x
    x = 114,610,293,595,986.05/11,247,943.92
  6. Step 6: Final answer
    x = 10,189,443.90

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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.