Home / 12,530,148.94-18,795,238.28-3,432,324.96

Finding the Fourth Proportional to 12,530,148.94, 18,795,238.28 and 3,432,324.96

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Solution

The fourth proportional to 12,530,148.94, 18,795,238.28 and 3,432,324.96 is: 5,148,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,148.94 : 18,795,238.28 = 3,432,324.96 : x
  2. Step 2: Convert to fraction form
    12,530,148.94/18,795,238.28 = 3,432,324.96/x
  3. Step 3: Cross multiply
    12,530,148.94x = 18,795,238.28 × 3,432,324.96
  4. Step 4: Simplify right side
    12,530,148.94x = 64,511,365,460,429.84
  5. Step 5: Solve for x
    x = 64,511,365,460,429.84/12,530,148.94
  6. Step 6: Final answer
    x = 5,148,491.51

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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.