Home / 27,201,138.30-40,801,707.45-21,036,422.70

Finding the Fourth Proportional to 27,201,138.30, 40,801,707.45 and 21,036,422.70

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Solution

The fourth proportional to 27,201,138.30, 40,801,707.45 and 21,036,422.70 is: 31,554,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201,138.30 : 40,801,707.45 = 21,036,422.70 : x
  2. Step 2: Convert to fraction form
    27,201,138.30/40,801,707.45 = 21,036,422.70/x
  3. Step 3: Cross multiply
    27,201,138.30x = 40,801,707.45 × 21,036,422.70
  4. Step 4: Simplify right side
    27,201,138.30x = 858,321,964,799,939.12
  5. Step 5: Solve for x
    x = 858,321,964,799,939.12/27,201,138.30
  6. Step 6: Final answer
    x = 31,554,634.05

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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.