Home / 13,760,596.76-18,988,493.28-8,101,790.42

Finding the Fourth Proportional to 13,760,596.76, 18,988,493.28 and 8,101,790.42

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Solution

The fourth proportional to 13,760,596.76, 18,988,493.28 and 8,101,790.42 is: 11,179,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,596.76 : 18,988,493.28 = 8,101,790.42 : x
  2. Step 2: Convert to fraction form
    13,760,596.76/18,988,493.28 = 8,101,790.42/x
  3. Step 3: Cross multiply
    13,760,596.76x = 18,988,493.28 × 8,101,790.42
  4. Step 4: Simplify right side
    13,760,596.76x = 153,840,792,946,138.38
  5. Step 5: Solve for x
    x = 153,840,792,946,138.38/13,760,596.76
  6. Step 6: Final answer
    x = 11,179,805.33

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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.