Home / 18,231,098.40-27,329,540.40-6,879,175.20

Finding the Fourth Proportional to 18,231,098.40, 27,329,540.40 and 6,879,175.20

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Solution

The fourth proportional to 18,231,098.40, 27,329,540.40 and 6,879,175.20 is: 10,312,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,098.40 : 27,329,540.40 = 6,879,175.20 : x
  2. Step 2: Convert to fraction form
    18,231,098.40/27,329,540.40 = 6,879,175.20/x
  3. Step 3: Cross multiply
    18,231,098.40x = 27,329,540.40 × 6,879,175.20
  4. Step 4: Simplify right side
    18,231,098.40x = 188,004,696,547,078.06
  5. Step 5: Solve for x
    x = 188,004,696,547,078.06/18,231,098.40
  6. Step 6: Final answer
    x = 10,312,307.71

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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.