Home / 18,225,880.20-27,338,847-7,443,181.68

Finding the Fourth Proportional to 18,225,880.20, 27,338,847 and 7,443,181.68

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Solution

The fourth proportional to 18,225,880.20, 27,338,847 and 7,443,181.68 is: 11,164,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225,880.20 : 27,338,847 = 7,443,181.68 : x
  2. Step 2: Convert to fraction form
    18,225,880.20/27,338,847 = 7,443,181.68/x
  3. Step 3: Cross multiply
    18,225,880.20x = 27,338,847 × 7,443,181.68
  4. Step 4: Simplify right side
    18,225,880.20x = 203,488,005,142,722.94
  5. Step 5: Solve for x
    x = 203,488,005,142,722.94/18,225,880.20
  6. Step 6: Final answer
    x = 11,164,783.42

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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.