Home / 31,349,740.92-43,263,177.29-17,221,523.09

Finding the Fourth Proportional to 31,349,740.92, 43,263,177.29 and 17,221,523.09

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Solution

The fourth proportional to 31,349,740.92, 43,263,177.29 and 17,221,523.09 is: 23,765,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349,740.92 : 43,263,177.29 = 17,221,523.09 : x
  2. Step 2: Convert to fraction form
    31,349,740.92/43,263,177.29 = 17,221,523.09/x
  3. Step 3: Cross multiply
    31,349,740.92x = 43,263,177.29 × 17,221,523.09
  4. Step 4: Simplify right side
    31,349,740.92x = 745,057,806,646,498.62
  5. Step 5: Solve for x
    x = 745,057,806,646,498.62/31,349,740.92
  6. Step 6: Final answer
    x = 23,765,995.66

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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.