Home / 18,217,297.40-27,329,007.90-5,439,093.80

Finding the Fourth Proportional to 18,217,297.40, 27,329,007.90 and 5,439,093.80

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Solution

The fourth proportional to 18,217,297.40, 27,329,007.90 and 5,439,093.80 is: 8,159,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,297.40 : 27,329,007.90 = 5,439,093.80 : x
  2. Step 2: Convert to fraction form
    18,217,297.40/27,329,007.90 = 5,439,093.80/x
  3. Step 3: Cross multiply
    18,217,297.40x = 27,329,007.90 × 5,439,093.80
  4. Step 4: Simplify right side
    18,217,297.40x = 148,645,037,429,041
  5. Step 5: Solve for x
    x = 148,645,037,429,041/18,217,297.40
  6. Step 6: Final answer
    x = 8,159,554.85

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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.