Home / 7,921,862.89-11,882,666.76-2,530,477.78

Finding the Fourth Proportional to 7,921,862.89, 11,882,666.76 and 2,530,477.78

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Solution

The fourth proportional to 7,921,862.89, 11,882,666.76 and 2,530,477.78 is: 3,795,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,862.89 : 11,882,666.76 = 2,530,477.78 : x
  2. Step 2: Convert to fraction form
    7,921,862.89/11,882,666.76 = 2,530,477.78/x
  3. Step 3: Cross multiply
    7,921,862.89x = 11,882,666.76 × 2,530,477.78
  4. Step 4: Simplify right side
    7,921,862.89x = 30,068,824,203,324.59
  5. Step 5: Solve for x
    x = 30,068,824,203,324.59/7,921,862.89
  6. Step 6: Final answer
    x = 3,795,675.92

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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.