Home / 31,234,034.48-43,100,614.20-19,009,540.40

Finding the Fourth Proportional to 31,234,034.48, 43,100,614.20 and 19,009,540.40

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Solution

The fourth proportional to 31,234,034.48, 43,100,614.20 and 19,009,540.40 is: 26,231,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234,034.48 : 43,100,614.20 = 19,009,540.40 : x
  2. Step 2: Convert to fraction form
    31,234,034.48/43,100,614.20 = 19,009,540.40/x
  3. Step 3: Cross multiply
    31,234,034.48x = 43,100,614.20 × 19,009,540.40
  4. Step 4: Simplify right side
    31,234,034.48x = 819,322,866,899,713.62
  5. Step 5: Solve for x
    x = 819,322,866,899,713.62/31,234,034.48
  6. Step 6: Final answer
    x = 26,231,733.45

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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.