Home / 12,550,393.96-18,823,112.14-3,450,143.48

Finding the Fourth Proportional to 12,550,393.96, 18,823,112.14 and 3,450,143.48

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Solution

The fourth proportional to 12,550,393.96, 18,823,112.14 and 3,450,143.48 is: 5,174,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,393.96 : 18,823,112.14 = 3,450,143.48 : x
  2. Step 2: Convert to fraction form
    12,550,393.96/18,823,112.14 = 3,450,143.48/x
  3. Step 3: Cross multiply
    12,550,393.96x = 18,823,112.14 × 3,450,143.48
  4. Step 4: Simplify right side
    12,550,393.96x = 64,942,437,623,129.85
  5. Step 5: Solve for x
    x = 64,942,437,623,129.85/12,550,393.96
  6. Step 6: Final answer
    x = 5,174,533.79

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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.