Home / 12,530,432.38-18,795,663.38-3,432,608.32

Finding the Fourth Proportional to 12,530,432.38, 18,795,663.38 and 3,432,608.32

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Solution

The fourth proportional to 12,530,432.38, 18,795,663.38 and 3,432,608.32 is: 5,148,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,432.38 : 18,795,663.38 = 3,432,608.32 : x
  2. Step 2: Convert to fraction form
    12,530,432.38/18,795,663.38 = 3,432,608.32/x
  3. Step 3: Cross multiply
    12,530,432.38x = 18,795,663.38 × 3,432,608.32
  4. Step 4: Simplify right side
    12,530,432.38x = 64,518,150,498,107.31
  5. Step 5: Solve for x
    x = 64,518,150,498,107.31/12,530,432.38
  6. Step 6: Final answer
    x = 5,148,916.54

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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.