Home / 31,707,724-43,755,194.80-17,956,786.56

Finding the Fourth Proportional to 31,707,724, 43,755,194.80 and 17,956,786.56

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Solution

The fourth proportional to 31,707,724, 43,755,194.80 and 17,956,786.56 is: 24,779,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707,724 : 43,755,194.80 = 17,956,786.56 : x
  2. Step 2: Convert to fraction form
    31,707,724/43,755,194.80 = 17,956,786.56/x
  3. Step 3: Cross multiply
    31,707,724x = 43,755,194.80 × 17,956,786.56
  4. Step 4: Simplify right side
    31,707,724x = 785,702,693,914,821.75
  5. Step 5: Solve for x
    x = 785,702,693,914,821.75/31,707,724
  6. Step 6: Final answer
    x = 24,779,536.18

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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.