Home / 7,760,471.07-11,642,509.57-2,642,945.14

Finding the Fourth Proportional to 7,760,471.07, 11,642,509.57 and 2,642,945.14

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Solution

The fourth proportional to 7,760,471.07, 11,642,509.57 and 2,642,945.14 is: 3,965,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,471.07 : 11,642,509.57 = 2,642,945.14 : x
  2. Step 2: Convert to fraction form
    7,760,471.07/11,642,509.57 = 2,642,945.14/x
  3. Step 3: Cross multiply
    7,760,471.07x = 11,642,509.57 × 2,642,945.14
  4. Step 4: Simplify right side
    7,760,471.07x = 30,770,514,085,434.99
  5. Step 5: Solve for x
    x = 30,770,514,085,434.99/7,760,471.07
  6. Step 6: Final answer
    x = 3,965,031.74

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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.