Home / 18,045,142.08-27,078,288.48-7,260,763.20

Finding the Fourth Proportional to 18,045,142.08, 27,078,288.48 and 7,260,763.20

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Solution

The fourth proportional to 18,045,142.08, 27,078,288.48 and 7,260,763.20 is: 10,895,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,142.08 : 27,078,288.48 = 7,260,763.20 : x
  2. Step 2: Convert to fraction form
    18,045,142.08/27,078,288.48 = 7,260,763.20/x
  3. Step 3: Cross multiply
    18,045,142.08x = 27,078,288.48 × 7,260,763.20
  4. Step 4: Simplify right side
    18,045,142.08x = 196,609,040,514,567.94
  5. Step 5: Solve for x
    x = 196,609,040,514,567.94/18,045,142.08
  6. Step 6: Final answer
    x = 10,895,399.97

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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.