Home / 18,354,684.70-27,507,225.78-6,988,933.18

Finding the Fourth Proportional to 18,354,684.70, 27,507,225.78 and 6,988,933.18

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Solution

The fourth proportional to 18,354,684.70, 27,507,225.78 and 6,988,933.18 is: 10,473,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,684.70 : 27,507,225.78 = 6,988,933.18 : x
  2. Step 2: Convert to fraction form
    18,354,684.70/27,507,225.78 = 6,988,933.18/x
  3. Step 3: Cross multiply
    18,354,684.70x = 27,507,225.78 × 6,988,933.18
  4. Step 4: Simplify right side
    18,354,684.70x = 192,246,162,823,249.28
  5. Step 5: Solve for x
    x = 192,246,162,823,249.28/18,354,684.70
  6. Step 6: Final answer
    x = 10,473,956.16

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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.