Home / 17,981,360.40-26,972,040.60-17,855,389.20

Finding the Fourth Proportional to 17,981,360.40, 26,972,040.60 and 17,855,389.20

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Solution

The fourth proportional to 17,981,360.40, 26,972,040.60 and 17,855,389.20 is: 26,783,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981,360.40 : 26,972,040.60 = 17,855,389.20 : x
  2. Step 2: Convert to fraction form
    17,981,360.40/26,972,040.60 = 17,855,389.20/x
  3. Step 3: Cross multiply
    17,981,360.40x = 26,972,040.60 × 17,855,389.20
  4. Step 4: Simplify right side
    17,981,360.40x = 481,596,282,431,201.50
  5. Step 5: Solve for x
    x = 481,596,282,431,201.50/17,981,360.40
  6. Step 6: Final answer
    x = 26,783,083.80

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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.