Home / 12,530,432.88-18,795,664.13-3,432,608.82

Finding the Fourth Proportional to 12,530,432.88, 18,795,664.13 and 3,432,608.82

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Solution

The fourth proportional to 12,530,432.88, 18,795,664.13 and 3,432,608.82 is: 5,148,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,432.88 : 18,795,664.13 = 3,432,608.82 : x
  2. Step 2: Convert to fraction form
    12,530,432.88/18,795,664.13 = 3,432,608.82/x
  3. Step 3: Cross multiply
    12,530,432.88x = 18,795,664.13 × 3,432,608.82
  4. Step 4: Simplify right side
    12,530,432.88x = 64,518,162,453,232.58
  5. Step 5: Solve for x
    x = 64,518,162,453,232.58/12,530,432.88
  6. Step 6: Final answer
    x = 5,148,917.29

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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.