Home / 18,138,834.08-25,033,359.12-13,547,183.84

Finding the Fourth Proportional to 18,138,834.08, 25,033,359.12 and 13,547,183.84

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Solution

The fourth proportional to 18,138,834.08, 25,033,359.12 and 13,547,183.84 is: 18,696,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138,834.08 : 25,033,359.12 = 13,547,183.84 : x
  2. Step 2: Convert to fraction form
    18,138,834.08/25,033,359.12 = 13,547,183.84/x
  3. Step 3: Cross multiply
    18,138,834.08x = 25,033,359.12 × 13,547,183.84
  4. Step 4: Simplify right side
    18,138,834.08x = 339,131,518,131,380.62
  5. Step 5: Solve for x
    x = 339,131,518,131,380.62/18,138,834.08
  6. Step 6: Final answer
    x = 18,696,434.22

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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.