Home / 17,720,721-24,454,450.19-9,880,140.11

Finding the Fourth Proportional to 17,720,721, 24,454,450.19 and 9,880,140.11

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Solution

The fourth proportional to 17,720,721, 24,454,450.19 and 9,880,140.11 is: 13,634,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720,721 : 24,454,450.19 = 9,880,140.11 : x
  2. Step 2: Convert to fraction form
    17,720,721/24,454,450.19 = 9,880,140.11/x
  3. Step 3: Cross multiply
    17,720,721x = 24,454,450.19 × 9,880,140.11
  4. Step 4: Simplify right side
    17,720,721x = 241,613,394,092,644.22
  5. Step 5: Solve for x
    x = 241,613,394,092,644.22/17,720,721
  6. Step 6: Final answer
    x = 13,634,512.62

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1.5x scale

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.