Home / 28,003,815.80-41,921,742.90-16,638,414.20

Finding the Fourth Proportional to 28,003,815.80, 41,921,742.90 and 16,638,414.20

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Solution

The fourth proportional to 28,003,815.80, 41,921,742.90 and 16,638,414.20 is: 24,907,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,815.80 : 41,921,742.90 = 16,638,414.20 : x
  2. Step 2: Convert to fraction form
    28,003,815.80/41,921,742.90 = 16,638,414.20/x
  3. Step 3: Cross multiply
    28,003,815.80x = 41,921,742.90 × 16,638,414.20
  4. Step 4: Simplify right side
    28,003,815.80x = 697,511,322,356,109.12
  5. Step 5: Solve for x
    x = 697,511,322,356,109.12/28,003,815.80
  6. Step 6: Final answer
    x = 24,907,724.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.