Home / 8,378,121.69-11,561,961.05-4,657,302.04

Finding the Fourth Proportional to 8,378,121.69, 11,561,961.05 and 4,657,302.04

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Solution

The fourth proportional to 8,378,121.69, 11,561,961.05 and 4,657,302.04 is: 6,427,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,121.69 : 11,561,961.05 = 4,657,302.04 : x
  2. Step 2: Convert to fraction form
    8,378,121.69/11,561,961.05 = 4,657,302.04/x
  3. Step 3: Cross multiply
    8,378,121.69x = 11,561,961.05 × 4,657,302.04
  4. Step 4: Simplify right side
    8,378,121.69x = 53,847,544,784,565.55
  5. Step 5: Solve for x
    x = 53,847,544,784,565.55/8,378,121.69
  6. Step 6: Final answer
    x = 6,427,161.93

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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.