Home / 12,481,406.10-18,690,616.35-9,961,982.10

Finding the Fourth Proportional to 12,481,406.10, 18,690,616.35 and 9,961,982.10

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Solution

The fourth proportional to 12,481,406.10, 18,690,616.35 and 9,961,982.10 is: 14,917,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,406.10 : 18,690,616.35 = 9,961,982.10 : x
  2. Step 2: Convert to fraction form
    12,481,406.10/18,690,616.35 = 9,961,982.10/x
  3. Step 3: Cross multiply
    12,481,406.10x = 18,690,616.35 × 9,961,982.10
  4. Step 4: Simplify right side
    12,481,406.10x = 186,195,585,516,667.34
  5. Step 5: Solve for x
    x = 186,195,585,516,667.34/12,481,406.10
  6. Step 6: Final answer
    x = 14,917,837.30

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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.