Home / 18,924,623.20-28,386,524.94-5,277,405.44

Finding the Fourth Proportional to 18,924,623.20, 28,386,524.94 and 5,277,405.44

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Solution

The fourth proportional to 18,924,623.20, 28,386,524.94 and 5,277,405.44 is: 7,915,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,623.20 : 28,386,524.94 = 5,277,405.44 : x
  2. Step 2: Convert to fraction form
    18,924,623.20/28,386,524.94 = 5,277,405.44/x
  3. Step 3: Cross multiply
    18,924,623.20x = 28,386,524.94 × 5,277,405.44
  4. Step 4: Simplify right side
    18,924,623.20x = 149,807,201,141,051.69
  5. Step 5: Solve for x
    x = 149,807,201,141,051.69/18,924,623.20
  6. Step 6: Final answer
    x = 7,915,993.86

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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.