Home / 12,659,616.35-18,989,424.76-3,074,930.29

Finding the Fourth Proportional to 12,659,616.35, 18,989,424.76 and 3,074,930.29

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Solution

The fourth proportional to 12,659,616.35, 18,989,424.76 and 3,074,930.29 is: 4,612,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,616.35 : 18,989,424.76 = 3,074,930.29 : x
  2. Step 2: Convert to fraction form
    12,659,616.35/18,989,424.76 = 3,074,930.29/x
  3. Step 3: Cross multiply
    12,659,616.35x = 18,989,424.76 × 3,074,930.29
  4. Step 4: Simplify right side
    12,659,616.35x = 58,391,157,384,199.98
  5. Step 5: Solve for x
    x = 58,391,157,384,199.98/12,659,616.35
  6. Step 6: Final answer
    x = 4,612,395.49

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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.