Home / 12,530,133.66-18,795,215.48-3,432,309.69

Finding the Fourth Proportional to 12,530,133.66, 18,795,215.48 and 3,432,309.69

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Solution

The fourth proportional to 12,530,133.66, 18,795,215.48 and 3,432,309.69 is: 5,148,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,133.66 : 18,795,215.48 = 3,432,309.69 : x
  2. Step 2: Convert to fraction form
    12,530,133.66/18,795,215.48 = 3,432,309.69/x
  3. Step 3: Cross multiply
    12,530,133.66x = 18,795,215.48 × 3,432,309.69
  4. Step 4: Simplify right side
    12,530,133.66x = 64,511,000,290,269.26
  5. Step 5: Solve for x
    x = 64,511,000,290,269.26/12,530,133.66
  6. Step 6: Final answer
    x = 5,148,468.65

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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.