Home / 12,177,931-18,265,321.74-5,792,240.92

Finding the Fourth Proportional to 12,177,931, 18,265,321.74 and 5,792,240.92

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Solution

The fourth proportional to 12,177,931, 18,265,321.74 and 5,792,240.92 is: 8,687,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,931 : 18,265,321.74 = 5,792,240.92 : x
  2. Step 2: Convert to fraction form
    12,177,931/18,265,321.74 = 5,792,240.92/x
  3. Step 3: Cross multiply
    12,177,931x = 18,265,321.74 × 5,792,240.92
  4. Step 4: Simplify right side
    12,177,931x = 105,797,143,999,393.59
  5. Step 5: Solve for x
    x = 105,797,143,999,393.59/12,177,931
  6. Step 6: Final answer
    x = 8,687,612.37

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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.