Home / 35,664,910.08-49,216,743-20,981,521.80

Finding the Fourth Proportional to 35,664,910.08, 49,216,743 and 20,981,521.80

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Solution

The fourth proportional to 35,664,910.08, 49,216,743 and 20,981,521.80 is: 28,954,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,664,910.08 : 49,216,743 = 20,981,521.80 : x
  2. Step 2: Convert to fraction form
    35,664,910.08/49,216,743 = 20,981,521.80/x
  3. Step 3: Cross multiply
    35,664,910.08x = 49,216,743 × 20,981,521.80
  4. Step 4: Simplify right side
    35,664,910.08x = 1,032,642,166,179,497.38
  5. Step 5: Solve for x
    x = 1,032,642,166,179,497.38/35,664,910.08
  6. Step 6: Final answer
    x = 28,954,010.09

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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.