Home / 18,077,821.61-27,105,805.28-7,282,514.19

Finding the Fourth Proportional to 18,077,821.61, 27,105,805.28 and 7,282,514.19

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Solution

The fourth proportional to 18,077,821.61, 27,105,805.28 and 7,282,514.19 is: 10,919,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077,821.61 : 27,105,805.28 = 7,282,514.19 : x
  2. Step 2: Convert to fraction form
    18,077,821.61/27,105,805.28 = 7,282,514.19/x
  3. Step 3: Cross multiply
    18,077,821.61x = 27,105,805.28 × 7,282,514.19
  4. Step 4: Simplify right side
    18,077,821.61x = 197,398,411,601,183.22
  5. Step 5: Solve for x
    x = 197,398,411,601,183.22/18,077,821.61
  6. Step 6: Final answer
    x = 10,919,369.37

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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.