Home / 28,928,422.10-39,918,584.06-17,165,663.66

Finding the Fourth Proportional to 28,928,422.10, 39,918,584.06 and 17,165,663.66

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Solution

The fourth proportional to 28,928,422.10, 39,918,584.06 and 17,165,663.66 is: 23,687,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,422.10 : 39,918,584.06 = 17,165,663.66 : x
  2. Step 2: Convert to fraction form
    28,928,422.10/39,918,584.06 = 17,165,663.66/x
  3. Step 3: Cross multiply
    28,928,422.10x = 39,918,584.06 × 17,165,663.66
  4. Step 4: Simplify right side
    28,928,422.10x = 685,228,987,757,397.25
  5. Step 5: Solve for x
    x = 685,228,987,757,397.25/28,928,422.10
  6. Step 6: Final answer
    x = 23,687,050.24

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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.