Home / 14,821,972.36-20,454,961.11-8,206,560.76

Finding the Fourth Proportional to 14,821,972.36, 20,454,961.11 and 8,206,560.76

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Solution

The fourth proportional to 14,821,972.36, 20,454,961.11 and 8,206,560.76 is: 11,325,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,972.36 : 20,454,961.11 = 8,206,560.76 : x
  2. Step 2: Convert to fraction form
    14,821,972.36/20,454,961.11 = 8,206,560.76/x
  3. Step 3: Cross multiply
    14,821,972.36x = 20,454,961.11 × 8,206,560.76
  4. Step 4: Simplify right side
    14,821,972.36x = 167,864,881,090,377.22
  5. Step 5: Solve for x
    x = 167,864,881,090,377.22/14,821,972.36
  6. Step 6: Final answer
    x = 11,325,407.78

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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.