Home / 11,790,066.20-17,643,108.90-8,178,891.80

Finding the Fourth Proportional to 11,790,066.20, 17,643,108.90 and 8,178,891.80

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Solution

The fourth proportional to 11,790,066.20, 17,643,108.90 and 8,178,891.80 is: 12,239,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790,066.20 : 17,643,108.90 = 8,178,891.80 : x
  2. Step 2: Convert to fraction form
    11,790,066.20/17,643,108.90 = 8,178,891.80/x
  3. Step 3: Cross multiply
    11,790,066.20x = 17,643,108.90 × 8,178,891.80
  4. Step 4: Simplify right side
    11,790,066.20x = 144,301,078,708,717
  5. Step 5: Solve for x
    x = 144,301,078,708,717/11,790,066.20
  6. Step 6: Final answer
    x = 12,239,208.52

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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.