Home / 11,580,801.78-15,968,401.58-7,388,876.36

Finding the Fourth Proportional to 11,580,801.78, 15,968,401.58 and 7,388,876.36

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Solution

The fourth proportional to 11,580,801.78, 15,968,401.58 and 7,388,876.36 is: 10,188,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580,801.78 : 15,968,401.58 = 7,388,876.36 : x
  2. Step 2: Convert to fraction form
    11,580,801.78/15,968,401.58 = 7,388,876.36/x
  3. Step 3: Cross multiply
    11,580,801.78x = 15,968,401.58 × 7,388,876.36
  4. Step 4: Simplify right side
    11,580,801.78x = 117,988,544,958,279.41
  5. Step 5: Solve for x
    x = 117,988,544,958,279.41/11,580,801.78
  6. Step 6: Final answer
    x = 10,188,288.10

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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.