Home / 18,661,595.15-27,988,193.67-6,694,331.15

Finding the Fourth Proportional to 18,661,595.15, 27,988,193.67 and 6,694,331.15

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Solution

The fourth proportional to 18,661,595.15, 27,988,193.67 and 6,694,331.15 is: 10,039,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,595.15 : 27,988,193.67 = 6,694,331.15 : x
  2. Step 2: Convert to fraction form
    18,661,595.15/27,988,193.67 = 6,694,331.15/x
  3. Step 3: Cross multiply
    18,661,595.15x = 27,988,193.67 × 6,694,331.15
  4. Step 4: Simplify right side
    18,661,595.15x = 187,362,236,577,372.84
  5. Step 5: Solve for x
    x = 187,362,236,577,372.84/18,661,595.15
  6. Step 6: Final answer
    x = 10,039,990.43

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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.