Home / 20,405,952.74-28,158,922.92-11,238,595.49

Finding the Fourth Proportional to 20,405,952.74, 28,158,922.92 and 11,238,595.49

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Solution

The fourth proportional to 20,405,952.74, 28,158,922.92 and 11,238,595.49 is: 15,508,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405,952.74 : 28,158,922.92 = 11,238,595.49 : x
  2. Step 2: Convert to fraction form
    20,405,952.74/28,158,922.92 = 11,238,595.49/x
  3. Step 3: Cross multiply
    20,405,952.74x = 28,158,922.92 × 11,238,595.49
  4. Step 4: Simplify right side
    20,405,952.74x = 316,466,744,244,511.62
  5. Step 5: Solve for x
    x = 316,466,744,244,511.62/20,405,952.74
  6. Step 6: Final answer
    x = 15,508,550.29

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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.