Home / 12,294,921.56-18,442,452.56-5,106,455.46

Finding the Fourth Proportional to 12,294,921.56, 18,442,452.56 and 5,106,455.46

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Solution

The fourth proportional to 12,294,921.56, 18,442,452.56 and 5,106,455.46 is: 7,659,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,921.56 : 18,442,452.56 = 5,106,455.46 : x
  2. Step 2: Convert to fraction form
    12,294,921.56/18,442,452.56 = 5,106,455.46/x
  3. Step 3: Cross multiply
    12,294,921.56x = 18,442,452.56 × 5,106,455.46
  4. Step 4: Simplify right side
    12,294,921.56x = 94,175,562,581,179.30
  5. Step 5: Solve for x
    x = 94,175,562,581,179.30/12,294,921.56
  6. Step 6: Final answer
    x = 7,659,712.36

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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.