Home / 12,582,478.30-18,887,908.65-8,330,950.30

Finding the Fourth Proportional to 12,582,478.30, 18,887,908.65 and 8,330,950.30

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Solution

The fourth proportional to 12,582,478.30, 18,887,908.65 and 8,330,950.30 is: 12,505,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,478.30 : 18,887,908.65 = 8,330,950.30 : x
  2. Step 2: Convert to fraction form
    12,582,478.30/18,887,908.65 = 8,330,950.30/x
  3. Step 3: Cross multiply
    12,582,478.30x = 18,887,908.65 × 8,330,950.30
  4. Step 4: Simplify right side
    12,582,478.30x = 157,354,228,234,090.09
  5. Step 5: Solve for x
    x = 157,354,228,234,090.09/12,582,478.30
  6. Step 6: Final answer
    x = 12,505,821.55

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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.