Home / 20,099,511.36-30,131,020.64-7,310,975.04

Finding the Fourth Proportional to 20,099,511.36, 30,131,020.64 and 7,310,975.04

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Solution

The fourth proportional to 20,099,511.36, 30,131,020.64 and 7,310,975.04 is: 10,959,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,511.36 : 30,131,020.64 = 7,310,975.04 : x
  2. Step 2: Convert to fraction form
    20,099,511.36/30,131,020.64 = 7,310,975.04/x
  3. Step 3: Cross multiply
    20,099,511.36x = 30,131,020.64 × 7,310,975.04
  4. Step 4: Simplify right side
    20,099,511.36x = 220,287,139,828,764.84
  5. Step 5: Solve for x
    x = 220,287,139,828,764.84/20,099,511.36
  6. Step 6: Final answer
    x = 10,959,825.63

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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.