Home / 12,463,064.48-18,692,726.79-3,942,293.78

Finding the Fourth Proportional to 12,463,064.48, 18,692,726.79 and 3,942,293.78

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Solution

The fourth proportional to 12,463,064.48, 18,692,726.79 and 3,942,293.78 is: 5,912,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,064.48 : 18,692,726.79 = 3,942,293.78 : x
  2. Step 2: Convert to fraction form
    12,463,064.48/18,692,726.79 = 3,942,293.78/x
  3. Step 3: Cross multiply
    12,463,064.48x = 18,692,726.79 × 3,942,293.78
  4. Step 4: Simplify right side
    12,463,064.48x = 73,692,220,555,456.36
  5. Step 5: Solve for x
    x = 73,692,220,555,456.36/12,463,064.48
  6. Step 6: Final answer
    x = 5,912,849.18

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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.