Home / 7,896,893.12-11,840,207.40-3,105,049.76

Finding the Fourth Proportional to 7,896,893.12, 11,840,207.40 and 3,105,049.76

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Solution

The fourth proportional to 7,896,893.12, 11,840,207.40 and 3,105,049.76 is: 4,655,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896,893.12 : 11,840,207.40 = 3,105,049.76 : x
  2. Step 2: Convert to fraction form
    7,896,893.12/11,840,207.40 = 3,105,049.76/x
  3. Step 3: Cross multiply
    7,896,893.12x = 11,840,207.40 × 3,105,049.76
  4. Step 4: Simplify right side
    7,896,893.12x = 36,764,433,145,720.22
  5. Step 5: Solve for x
    x = 36,764,433,145,720.22/7,896,893.12
  6. Step 6: Final answer
    x = 4,655,556.63

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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.