Home / 30,215,159.10-41,695,615.71-17,162,377.38

Finding the Fourth Proportional to 30,215,159.10, 41,695,615.71 and 17,162,377.38

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Solution

The fourth proportional to 30,215,159.10, 41,695,615.71 and 17,162,377.38 is: 23,683,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,159.10 : 41,695,615.71 = 17,162,377.38 : x
  2. Step 2: Convert to fraction form
    30,215,159.10/41,695,615.71 = 17,162,377.38/x
  3. Step 3: Cross multiply
    30,215,159.10x = 41,695,615.71 × 17,162,377.38
  4. Step 4: Simplify right side
    30,215,159.10x = 715,595,891,906,476.62
  5. Step 5: Solve for x
    x = 715,595,891,906,476.62/30,215,159.10
  6. Step 6: Final answer
    x = 23,683,340.19

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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.