Home / 13,494,012.17-18,624,134.25-7,990,442.46

Finding the Fourth Proportional to 13,494,012.17, 18,624,134.25 and 7,990,442.46

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Solution

The fourth proportional to 13,494,012.17, 18,624,134.25 and 7,990,442.46 is: 11,028,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,012.17 : 18,624,134.25 = 7,990,442.46 : x
  2. Step 2: Convert to fraction form
    13,494,012.17/18,624,134.25 = 7,990,442.46/x
  3. Step 3: Cross multiply
    13,494,012.17x = 18,624,134.25 × 7,990,442.46
  4. Step 4: Simplify right side
    13,494,012.17x = 148,815,073,091,940.25
  5. Step 5: Solve for x
    x = 148,815,073,091,940.25/13,494,012.17
  6. Step 6: Final answer
    x = 11,028,230.25

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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.