Home / 13,664,008.35-18,856,330.71-7,469,081.16

Finding the Fourth Proportional to 13,664,008.35, 18,856,330.71 and 7,469,081.16

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Solution

The fourth proportional to 13,664,008.35, 18,856,330.71 and 7,469,081.16 is: 10,307,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,008.35 : 18,856,330.71 = 7,469,081.16 : x
  2. Step 2: Convert to fraction form
    13,664,008.35/18,856,330.71 = 7,469,081.16/x
  3. Step 3: Cross multiply
    13,664,008.35x = 18,856,330.71 × 7,469,081.16
  4. Step 4: Simplify right side
    13,664,008.35x = 140,839,464,452,790.44
  5. Step 5: Solve for x
    x = 140,839,464,452,790.44/13,664,008.35
  6. Step 6: Final answer
    x = 10,307,331.56

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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.