Home / 9,208,818.80-13,786,656.15-8,145,936.80

Finding the Fourth Proportional to 9,208,818.80, 13,786,656.15 and 8,145,936.80

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Solution

The fourth proportional to 9,208,818.80, 13,786,656.15 and 8,145,936.80 is: 12,195,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208,818.80 : 13,786,656.15 = 8,145,936.80 : x
  2. Step 2: Convert to fraction form
    9,208,818.80/13,786,656.15 = 8,145,936.80/x
  3. Step 3: Cross multiply
    9,208,818.80x = 13,786,656.15 × 8,145,936.80
  4. Step 4: Simplify right side
    9,208,818.80x = 112,305,229,681,231.33
  5. Step 5: Solve for x
    x = 112,305,229,681,231.33/9,208,818.80
  6. Step 6: Final answer
    x = 12,195,400.10

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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.