Home / 12,526,355.19-17,280,227.37-10,870,177.79

Finding the Fourth Proportional to 12,526,355.19, 17,280,227.37 and 10,870,177.79

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Solution

The fourth proportional to 12,526,355.19, 17,280,227.37 and 10,870,177.79 is: 14,995,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,355.19 : 17,280,227.37 = 10,870,177.79 : x
  2. Step 2: Convert to fraction form
    12,526,355.19/17,280,227.37 = 10,870,177.79/x
  3. Step 3: Cross multiply
    12,526,355.19x = 17,280,227.37 × 10,870,177.79
  4. Step 4: Simplify right side
    12,526,355.19x = 187,839,143,763,524.09
  5. Step 5: Solve for x
    x = 187,839,143,763,524.09/12,526,355.19
  6. Step 6: Final answer
    x = 14,995,514.73

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Double scale
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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.