Home / 18,684,019.44-28,023,618.60-5,905,815.84

Finding the Fourth Proportional to 18,684,019.44, 28,023,618.60 and 5,905,815.84

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Solution

The fourth proportional to 18,684,019.44, 28,023,618.60 and 5,905,815.84 is: 8,857,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,019.44 : 28,023,618.60 = 5,905,815.84 : x
  2. Step 2: Convert to fraction form
    18,684,019.44/28,023,618.60 = 5,905,815.84/x
  3. Step 3: Cross multiply
    18,684,019.44x = 28,023,618.60 × 5,905,815.84
  4. Step 4: Simplify right side
    18,684,019.44x = 165,502,330,621,998.62
  5. Step 5: Solve for x
    x = 165,502,330,621,998.62/18,684,019.44
  6. Step 6: Final answer
    x = 8,857,961.81

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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.