Home / 21,777,736.68-30,053,658.83-11,854,904.65

Finding the Fourth Proportional to 21,777,736.68, 30,053,658.83 and 11,854,904.65

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Solution

The fourth proportional to 21,777,736.68, 30,053,658.83 and 11,854,904.65 is: 16,359,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,736.68 : 30,053,658.83 = 11,854,904.65 : x
  2. Step 2: Convert to fraction form
    21,777,736.68/30,053,658.83 = 11,854,904.65/x
  3. Step 3: Cross multiply
    21,777,736.68x = 30,053,658.83 × 11,854,904.65
  4. Step 4: Simplify right side
    21,777,736.68x = 356,283,259,678,871.94
  5. Step 5: Solve for x
    x = 356,283,259,678,871.94/21,777,736.68
  6. Step 6: Final answer
    x = 16,359,976.47

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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.