Home / 28,142,871.91-38,837,559.79-16,215,093.34

Finding the Fourth Proportional to 28,142,871.91, 38,837,559.79 and 16,215,093.34

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Solution

The fourth proportional to 28,142,871.91, 38,837,559.79 and 16,215,093.34 is: 22,377,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142,871.91 : 38,837,559.79 = 16,215,093.34 : x
  2. Step 2: Convert to fraction form
    28,142,871.91/38,837,559.79 = 16,215,093.34/x
  3. Step 3: Cross multiply
    28,142,871.91x = 38,837,559.79 × 16,215,093.34
  4. Step 4: Simplify right side
    28,142,871.91x = 629,754,656,898,493
  5. Step 5: Solve for x
    x = 629,754,656,898,493/28,142,871.91
  6. Step 6: Final answer
    x = 22,377,057.29

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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.