Home / 12,530,432.76-18,795,665.62-3,432,611.22

Finding the Fourth Proportional to 12,530,432.76, 18,795,665.62 and 3,432,611.22

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Solution

The fourth proportional to 12,530,432.76, 18,795,665.62 and 3,432,611.22 is: 5,148,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,432.76 : 18,795,665.62 = 3,432,611.22 : x
  2. Step 2: Convert to fraction form
    12,530,432.76/18,795,665.62 = 3,432,611.22/x
  3. Step 3: Cross multiply
    12,530,432.76x = 18,795,665.62 × 3,432,611.22
  4. Step 4: Simplify right side
    12,530,432.76x = 64,518,212,694,580.27
  5. Step 5: Solve for x
    x = 64,518,212,694,580.27/12,530,432.76
  6. Step 6: Final answer
    x = 5,148,921.34

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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.