Home / 13,494,012.42-18,624,134.60-7,990,442.71

Finding the Fourth Proportional to 13,494,012.42, 18,624,134.60 and 7,990,442.71

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Solution

The fourth proportional to 13,494,012.42, 18,624,134.60 and 7,990,442.71 is: 11,028,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,012.42 : 18,624,134.60 = 7,990,442.71 : x
  2. Step 2: Convert to fraction form
    13,494,012.42/18,624,134.60 = 7,990,442.71/x
  3. Step 3: Cross multiply
    13,494,012.42x = 18,624,134.60 × 7,990,442.71
  4. Step 4: Simplify right side
    13,494,012.42x = 148,815,080,504,676.53
  5. Step 5: Solve for x
    x = 148,815,080,504,676.53/13,494,012.42
  6. Step 6: Final answer
    x = 11,028,230.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.