Home / 12,128,530.40-18,192,795.60-6,064,198.10

Finding the Fourth Proportional to 12,128,530.40, 18,192,795.60 and 6,064,198.10

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Solution

The fourth proportional to 12,128,530.40, 18,192,795.60 and 6,064,198.10 is: 9,096,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,530.40 : 18,192,795.60 = 6,064,198.10 : x
  2. Step 2: Convert to fraction form
    12,128,530.40/18,192,795.60 = 6,064,198.10/x
  3. Step 3: Cross multiply
    12,128,530.40x = 18,192,795.60 × 6,064,198.10
  4. Step 4: Simplify right side
    12,128,530.40x = 110,324,716,511,208.36
  5. Step 5: Solve for x
    x = 110,324,716,511,208.36/12,128,530.40
  6. Step 6: Final answer
    x = 9,096,297.15

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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.