Home / 18,435,618.10-27,653,427.15-4,787,644.60

Finding the Fourth Proportional to 18,435,618.10, 27,653,427.15 and 4,787,644.60

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Solution

The fourth proportional to 18,435,618.10, 27,653,427.15 and 4,787,644.60 is: 7,181,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,618.10 : 27,653,427.15 = 4,787,644.60 : x
  2. Step 2: Convert to fraction form
    18,435,618.10/27,653,427.15 = 4,787,644.60/x
  3. Step 3: Cross multiply
    18,435,618.10x = 27,653,427.15 × 4,787,644.60
  4. Step 4: Simplify right side
    18,435,618.10x = 132,394,781,166,190.88
  5. Step 5: Solve for x
    x = 132,394,781,166,190.88/18,435,618.10
  6. Step 6: Final answer
    x = 7,181,466.90

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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.