Home / 13,195,264.86-19,786,685.94-5,112,025.38

Finding the Fourth Proportional to 13,195,264.86, 19,786,685.94 and 5,112,025.38

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Solution

The fourth proportional to 13,195,264.86, 19,786,685.94 and 5,112,025.38 is: 7,665,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,264.86 : 19,786,685.94 = 5,112,025.38 : x
  2. Step 2: Convert to fraction form
    13,195,264.86/19,786,685.94 = 5,112,025.38/x
  3. Step 3: Cross multiply
    13,195,264.86x = 19,786,685.94 × 5,112,025.38
  4. Step 4: Simplify right side
    13,195,264.86x = 101,150,040,711,369.16
  5. Step 5: Solve for x
    x = 101,150,040,711,369.16/13,195,264.86
  6. Step 6: Final answer
    x = 7,665,631.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.