Home / 12,073,443.02-16,659,839.14-8,161,710.31

Finding the Fourth Proportional to 12,073,443.02, 16,659,839.14 and 8,161,710.31

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Solution

The fourth proportional to 12,073,443.02, 16,659,839.14 and 8,161,710.31 is: 11,262,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,443.02 : 16,659,839.14 = 8,161,710.31 : x
  2. Step 2: Convert to fraction form
    12,073,443.02/16,659,839.14 = 8,161,710.31/x
  3. Step 3: Cross multiply
    12,073,443.02x = 16,659,839.14 × 8,161,710.31
  4. Step 4: Simplify right side
    12,073,443.02x = 135,972,780,871,879.53
  5. Step 5: Solve for x
    x = 135,972,780,871,879.53/12,073,443.02
  6. Step 6: Final answer
    x = 11,262,137.95

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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.