Home / 14,981,053.78-20,673,707.25-8,105,384.98

Finding the Fourth Proportional to 14,981,053.78, 20,673,707.25 and 8,105,384.98

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Solution

The fourth proportional to 14,981,053.78, 20,673,707.25 and 8,105,384.98 is: 11,185,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981,053.78 : 20,673,707.25 = 8,105,384.98 : x
  2. Step 2: Convert to fraction form
    14,981,053.78/20,673,707.25 = 8,105,384.98/x
  3. Step 3: Cross multiply
    14,981,053.78x = 20,673,707.25 × 8,105,384.98
  4. Step 4: Simplify right side
    14,981,053.78x = 167,568,356,225,067.12
  5. Step 5: Solve for x
    x = 167,568,356,225,067.12/14,981,053.78
  6. Step 6: Final answer
    x = 11,185,351.76

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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.