Home / 8,378,120.69-11,561,959.67-4,657,301.04

Finding the Fourth Proportional to 8,378,120.69, 11,561,959.67 and 4,657,301.04

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Solution

The fourth proportional to 8,378,120.69, 11,561,959.67 and 4,657,301.04 is: 6,427,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,120.69 : 11,561,959.67 = 4,657,301.04 : x
  2. Step 2: Convert to fraction form
    8,378,120.69/11,561,959.67 = 4,657,301.04/x
  3. Step 3: Cross multiply
    8,378,120.69x = 11,561,959.67 × 4,657,301.04
  4. Step 4: Simplify right side
    8,378,120.69x = 53,847,526,795,529.05
  5. Step 5: Solve for x
    x = 53,847,526,795,529.05/8,378,120.69
  6. Step 6: Final answer
    x = 6,427,160.55

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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.