Home / 7,284,172.20-10,929,320.10-3,914,442.60

Finding the Fourth Proportional to 7,284,172.20, 10,929,320.10 and 3,914,442.60

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Solution

The fourth proportional to 7,284,172.20, 10,929,320.10 and 3,914,442.60 is: 5,873,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284,172.20 : 10,929,320.10 = 3,914,442.60 : x
  2. Step 2: Convert to fraction form
    7,284,172.20/10,929,320.10 = 3,914,442.60/x
  3. Step 3: Cross multiply
    7,284,172.20x = 10,929,320.10 × 3,914,442.60
  4. Step 4: Simplify right side
    7,284,172.20x = 42,782,196,188,476.26
  5. Step 5: Solve for x
    x = 42,782,196,188,476.26/7,284,172.20
  6. Step 6: Final answer
    x = 5,873,309.28

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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.