Home / 12,831,277.20-19,252,099.80-5,644,179.60

Finding the Fourth Proportional to 12,831,277.20, 19,252,099.80 and 5,644,179.60

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Solution

The fourth proportional to 12,831,277.20, 19,252,099.80 and 5,644,179.60 is: 8,468,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,277.20 : 19,252,099.80 = 5,644,179.60 : x
  2. Step 2: Convert to fraction form
    12,831,277.20/19,252,099.80 = 5,644,179.60/x
  3. Step 3: Cross multiply
    12,831,277.20x = 19,252,099.80 × 5,644,179.60
  4. Step 4: Simplify right side
    12,831,277.20x = 108,662,308,948,324.08
  5. Step 5: Solve for x
    x = 108,662,308,948,324.08/12,831,277.20
  6. Step 6: Final answer
    x = 8,468,549.72

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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.