Home / 22,145,428.80-33,218,143.20-12,579,490.80

Finding the Fourth Proportional to 22,145,428.80, 33,218,143.20 and 12,579,490.80

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Solution

The fourth proportional to 22,145,428.80, 33,218,143.20 and 12,579,490.80 is: 18,869,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,428.80 : 33,218,143.20 = 12,579,490.80 : x
  2. Step 2: Convert to fraction form
    22,145,428.80/33,218,143.20 = 12,579,490.80/x
  3. Step 3: Cross multiply
    22,145,428.80x = 33,218,143.20 × 12,579,490.80
  4. Step 4: Simplify right side
    22,145,428.80x = 417,867,326,777,482.56
  5. Step 5: Solve for x
    x = 417,867,326,777,482.56/22,145,428.80
  6. Step 6: Final answer
    x = 18,869,236.20

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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.