Home / 12,831,278.20-19,252,101.30-5,644,180.60

Finding the Fourth Proportional to 12,831,278.20, 19,252,101.30 and 5,644,180.60

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Solution

The fourth proportional to 12,831,278.20, 19,252,101.30 and 5,644,180.60 is: 8,468,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,278.20 : 19,252,101.30 = 5,644,180.60 : x
  2. Step 2: Convert to fraction form
    12,831,278.20/19,252,101.30 = 5,644,180.60/x
  3. Step 3: Cross multiply
    12,831,278.20x = 19,252,101.30 × 5,644,180.60
  4. Step 4: Simplify right side
    12,831,278.20x = 108,662,336,666,694.78
  5. Step 5: Solve for x
    x = 108,662,336,666,694.78/12,831,278.20
  6. Step 6: Final answer
    x = 8,468,551.22

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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.