Home / 18,452,939.70-27,679,409.55-13,669,970.70

Finding the Fourth Proportional to 18,452,939.70, 27,679,409.55 and 13,669,970.70

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Solution

The fourth proportional to 18,452,939.70, 27,679,409.55 and 13,669,970.70 is: 20,504,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,939.70 : 27,679,409.55 = 13,669,970.70 : x
  2. Step 2: Convert to fraction form
    18,452,939.70/27,679,409.55 = 13,669,970.70/x
  3. Step 3: Cross multiply
    18,452,939.70x = 27,679,409.55 × 13,669,970.70
  4. Step 4: Simplify right side
    18,452,939.70x = 378,376,717,541,800.19
  5. Step 5: Solve for x
    x = 378,376,717,541,800.19/18,452,939.70
  6. Step 6: Final answer
    x = 20,504,956.05

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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.