Home / 18,252,145.10-27,378,217.65-11,071,786.70

Finding the Fourth Proportional to 18,252,145.10, 27,378,217.65 and 11,071,786.70

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Solution

The fourth proportional to 18,252,145.10, 27,378,217.65 and 11,071,786.70 is: 16,607,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252,145.10 : 27,378,217.65 = 11,071,786.70 : x
  2. Step 2: Convert to fraction form
    18,252,145.10/27,378,217.65 = 11,071,786.70/x
  3. Step 3: Cross multiply
    18,252,145.10x = 27,378,217.65 × 11,071,786.70
  4. Step 4: Simplify right side
    18,252,145.10x = 303,125,786,046,975.19
  5. Step 5: Solve for x
    x = 303,125,786,046,975.19/18,252,145.10
  6. Step 6: Final answer
    x = 16,607,680.05

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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.