Home / 31,675,709.47-43,712,479.07-17,189,021.47

Finding the Fourth Proportional to 31,675,709.47, 43,712,479.07 and 17,189,021.47

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Solution

The fourth proportional to 31,675,709.47, 43,712,479.07 and 17,189,021.47 is: 23,720,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,709.47 : 43,712,479.07 = 17,189,021.47 : x
  2. Step 2: Convert to fraction form
    31,675,709.47/43,712,479.07 = 17,189,021.47/x
  3. Step 3: Cross multiply
    31,675,709.47x = 43,712,479.07 × 17,189,021.47
  4. Step 4: Simplify right side
    31,675,709.47x = 751,374,741,284,128.12
  5. Step 5: Solve for x
    x = 751,374,741,284,128.12/31,675,709.47
  6. Step 6: Final answer
    x = 23,720,849.63

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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.