Home / 14,821,972.86-20,454,961.80-8,206,561.26

Finding the Fourth Proportional to 14,821,972.86, 20,454,961.80 and 8,206,561.26

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Solution

The fourth proportional to 14,821,972.86, 20,454,961.80 and 8,206,561.26 is: 11,325,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,972.86 : 20,454,961.80 = 8,206,561.26 : x
  2. Step 2: Convert to fraction form
    14,821,972.86/20,454,961.80 = 8,206,561.26/x
  3. Step 3: Cross multiply
    14,821,972.86x = 20,454,961.80 × 8,206,561.26
  4. Step 4: Simplify right side
    14,821,972.86x = 167,864,896,980,385.06
  5. Step 5: Solve for x
    x = 167,864,896,980,385.06/14,821,972.86
  6. Step 6: Final answer
    x = 11,325,408.47

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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.