Home / 22,589,901.94-31,172,871.60-12,800,463.48

Finding the Fourth Proportional to 22,589,901.94, 31,172,871.60 and 12,800,463.48

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Solution

The fourth proportional to 22,589,901.94, 31,172,871.60 and 12,800,463.48 is: 17,663,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589,901.94 : 31,172,871.60 = 12,800,463.48 : x
  2. Step 2: Convert to fraction form
    22,589,901.94/31,172,871.60 = 12,800,463.48/x
  3. Step 3: Cross multiply
    22,589,901.94x = 31,172,871.60 × 12,800,463.48
  4. Step 4: Simplify right side
    22,589,901.94x = 399,027,204,482,529.19
  5. Step 5: Solve for x
    x = 399,027,204,482,529.19/22,589,901.94
  6. Step 6: Final answer
    x = 17,663,963.55

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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.