Home / 20,514,839.50-30,722,945.25-11,734,506.55

Finding the Fourth Proportional to 20,514,839.50, 30,722,945.25 and 11,734,506.55

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Solution

The fourth proportional to 20,514,839.50, 30,722,945.25 and 11,734,506.55 is: 17,573,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,839.50 : 30,722,945.25 = 11,734,506.55 : x
  2. Step 2: Convert to fraction form
    20,514,839.50/30,722,945.25 = 11,734,506.55/x
  3. Step 3: Cross multiply
    20,514,839.50x = 30,722,945.25 × 11,734,506.55
  4. Step 4: Simplify right side
    20,514,839.50x = 360,518,602,117,801.69
  5. Step 5: Solve for x
    x = 360,518,602,117,801.69/20,514,839.50
  6. Step 6: Final answer
    x = 17,573,552.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.