Home / 7,450,851.78-10,279,863-4,351,138.92

Finding the Fourth Proportional to 7,450,851.78, 10,279,863 and 4,351,138.92

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Solution

The fourth proportional to 7,450,851.78, 10,279,863 and 4,351,138.92 is: 6,003,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,851.78 : 10,279,863 = 4,351,138.92 : x
  2. Step 2: Convert to fraction form
    7,450,851.78/10,279,863 = 4,351,138.92/x
  3. Step 3: Cross multiply
    7,450,851.78x = 10,279,863 × 4,351,138.92
  4. Step 4: Simplify right side
    7,450,851.78x = 44,729,111,991,567.96
  5. Step 5: Solve for x
    x = 44,729,111,991,567.96/7,450,851.78
  6. Step 6: Final answer
    x = 6,003,221.28

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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.