Home / 31,428,386.07-43,370,859.42-17,489,502.42

Finding the Fourth Proportional to 31,428,386.07, 43,370,859.42 and 17,489,502.42

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Solution

The fourth proportional to 31,428,386.07, 43,370,859.42 and 17,489,502.42 is: 24,135,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428,386.07 : 43,370,859.42 = 17,489,502.42 : x
  2. Step 2: Convert to fraction form
    31,428,386.07/43,370,859.42 = 17,489,502.42/x
  3. Step 3: Cross multiply
    31,428,386.07x = 43,370,859.42 × 17,489,502.42
  4. Step 4: Simplify right side
    31,428,386.07x = 758,534,750,783,569.88
  5. Step 5: Solve for x
    x = 758,534,750,783,569.88/31,428,386.07
  6. Step 6: Final answer
    x = 24,135,338.96

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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.