Home / 12,136,181.19-18,204,147.03-7,015,352.70

Finding the Fourth Proportional to 12,136,181.19, 18,204,147.03 and 7,015,352.70

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Solution

The fourth proportional to 12,136,181.19, 18,204,147.03 and 7,015,352.70 is: 10,522,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,181.19 : 18,204,147.03 = 7,015,352.70 : x
  2. Step 2: Convert to fraction form
    12,136,181.19/18,204,147.03 = 7,015,352.70/x
  3. Step 3: Cross multiply
    12,136,181.19x = 18,204,147.03 × 7,015,352.70
  4. Step 4: Simplify right side
    12,136,181.19x = 127,708,512,018,107.50
  5. Step 5: Solve for x
    x = 127,708,512,018,107.50/12,136,181.19
  6. Step 6: Final answer
    x = 10,522,956.94

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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.