Home / 18,946,815.23-28,408,003.67-7,433,446.08

Finding the Fourth Proportional to 18,946,815.23, 28,408,003.67 and 7,433,446.08

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Solution

The fourth proportional to 18,946,815.23, 28,408,003.67 and 7,433,446.08 is: 11,145,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,815.23 : 28,408,003.67 = 7,433,446.08 : x
  2. Step 2: Convert to fraction form
    18,946,815.23/28,408,003.67 = 7,433,446.08/x
  3. Step 3: Cross multiply
    18,946,815.23x = 28,408,003.67 × 7,433,446.08
  4. Step 4: Simplify right side
    18,946,815.23x = 211,169,363,410,311.59
  5. Step 5: Solve for x
    x = 211,169,363,410,311.59/18,946,815.23
  6. Step 6: Final answer
    x = 11,145,375.14

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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.