Home / 12,690,522.57-17,511,073.25-7,256,964.81

Finding the Fourth Proportional to 12,690,522.57, 17,511,073.25 and 7,256,964.81

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Solution

The fourth proportional to 12,690,522.57, 17,511,073.25 and 7,256,964.81 is: 10,013,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,522.57 : 17,511,073.25 = 7,256,964.81 : x
  2. Step 2: Convert to fraction form
    12,690,522.57/17,511,073.25 = 7,256,964.81/x
  3. Step 3: Cross multiply
    12,690,522.57x = 17,511,073.25 × 7,256,964.81
  4. Step 4: Simplify right side
    12,690,522.57x = 127,077,242,324,297.52
  5. Step 5: Solve for x
    x = 127,077,242,324,297.52/12,690,522.57
  6. Step 6: Final answer
    x = 10,013,554.73

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1.5x scale

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.