Home / 13,855,998.05-20,785,105.15-4,754,433.05

Finding the Fourth Proportional to 13,855,998.05, 20,785,105.15 and 4,754,433.05

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Solution

The fourth proportional to 13,855,998.05, 20,785,105.15 and 4,754,433.05 is: 7,132,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,998.05 : 20,785,105.15 = 4,754,433.05 : x
  2. Step 2: Convert to fraction form
    13,855,998.05/20,785,105.15 = 4,754,433.05/x
  3. Step 3: Cross multiply
    13,855,998.05x = 20,785,105.15 × 4,754,433.05
  4. Step 4: Simplify right side
    13,855,998.05x = 98,821,390,757,073.61
  5. Step 5: Solve for x
    x = 98,821,390,757,073.61/13,855,998.05
  6. Step 6: Final answer
    x = 7,132,029.78

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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.