Home / 11,623,377.78-17,438,990.36-5,145,559.58

Finding the Fourth Proportional to 11,623,377.78, 17,438,990.36 and 5,145,559.58

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Solution

The fourth proportional to 11,623,377.78, 17,438,990.36 and 5,145,559.58 is: 7,720,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623,377.78 : 17,438,990.36 = 5,145,559.58 : x
  2. Step 2: Convert to fraction form
    11,623,377.78/17,438,990.36 = 5,145,559.58/x
  3. Step 3: Cross multiply
    11,623,377.78x = 17,438,990.36 × 5,145,559.58
  4. Step 4: Simplify right side
    11,623,377.78x = 89,733,363,912,425.64
  5. Step 5: Solve for x
    x = 89,733,363,912,425.64/11,623,377.78
  6. Step 6: Final answer
    x = 7,720,076.35

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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.