Home / 12,474,429.45-18,711,644.18-11,541,309.45

Finding the Fourth Proportional to 12,474,429.45, 18,711,644.18 and 11,541,309.45

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Solution

The fourth proportional to 12,474,429.45, 18,711,644.18 and 11,541,309.45 is: 17,311,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,429.45 : 18,711,644.18 = 11,541,309.45 : x
  2. Step 2: Convert to fraction form
    12,474,429.45/18,711,644.18 = 11,541,309.45/x
  3. Step 3: Cross multiply
    12,474,429.45x = 18,711,644.18 × 11,541,309.45
  4. Step 4: Simplify right side
    12,474,429.45x = 215,956,875,741,964.94
  5. Step 5: Solve for x
    x = 215,956,875,741,964.94/12,474,429.45
  6. Step 6: Final answer
    x = 17,311,964.18

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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.