Home / 6,115,487.51-8,439,378.16-3,362,221.78

Finding the Fourth Proportional to 6,115,487.51, 8,439,378.16 and 3,362,221.78

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Solution

The fourth proportional to 6,115,487.51, 8,439,378.16 and 3,362,221.78 is: 4,639,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115,487.51 : 8,439,378.16 = 3,362,221.78 : x
  2. Step 2: Convert to fraction form
    6,115,487.51/8,439,378.16 = 3,362,221.78/x
  3. Step 3: Cross multiply
    6,115,487.51x = 8,439,378.16 × 3,362,221.78
  4. Step 4: Simplify right side
    6,115,487.51x = 28,375,061,093,514.93
  5. Step 5: Solve for x
    x = 28,375,061,093,514.93/6,115,487.51
  6. Step 6: Final answer
    x = 4,639,869.03

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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.