Home / 18,463,920.27-25,483,730.83-12,173,402.62

Finding the Fourth Proportional to 18,463,920.27, 25,483,730.83 and 12,173,402.62

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Solution

The fourth proportional to 18,463,920.27, 25,483,730.83 and 12,173,402.62 is: 16,801,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,920.27 : 25,483,730.83 = 12,173,402.62 : x
  2. Step 2: Convert to fraction form
    18,463,920.27/25,483,730.83 = 12,173,402.62/x
  3. Step 3: Cross multiply
    18,463,920.27x = 25,483,730.83 × 12,173,402.62
  4. Step 4: Simplify right side
    18,463,920.27x = 310,223,715,654,717.94
  5. Step 5: Solve for x
    x = 310,223,715,654,717.94/18,463,920.27
  6. Step 6: Final answer
    x = 16,801,616.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.