Home / 20,774,777.73-28,669,734-11,482,494.48

Finding the Fourth Proportional to 20,774,777.73, 28,669,734 and 11,482,494.48

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Solution

The fourth proportional to 20,774,777.73, 28,669,734 and 11,482,494.48 is: 15,846,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,777.73 : 28,669,734 = 11,482,494.48 : x
  2. Step 2: Convert to fraction form
    20,774,777.73/28,669,734 = 11,482,494.48/x
  3. Step 3: Cross multiply
    20,774,777.73x = 28,669,734 × 11,482,494.48
  4. Step 4: Simplify right side
    20,774,777.73x = 329,200,062,398,068.31
  5. Step 5: Solve for x
    x = 329,200,062,398,068.31/20,774,777.73
  6. Step 6: Final answer
    x = 15,846,141.25

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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.