Home / 12,582,486.30-18,887,920.65-8,330,958.30

Finding the Fourth Proportional to 12,582,486.30, 18,887,920.65 and 8,330,958.30

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Solution

The fourth proportional to 12,582,486.30, 18,887,920.65 and 8,330,958.30 is: 12,505,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,486.30 : 18,887,920.65 = 8,330,958.30 : x
  2. Step 2: Convert to fraction form
    12,582,486.30/18,887,920.65 = 8,330,958.30/x
  3. Step 3: Cross multiply
    12,582,486.30x = 18,887,920.65 × 8,330,958.30
  4. Step 4: Simplify right side
    12,582,486.30x = 157,354,479,308,858.88
  5. Step 5: Solve for x
    x = 157,354,479,308,858.88/12,582,486.30
  6. Step 6: Final answer
    x = 12,505,833.55

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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.