Home / 20,056,696-30,096,998.88-7,278,197.92

Finding the Fourth Proportional to 20,056,696, 30,096,998.88 and 7,278,197.92

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Solution

The fourth proportional to 20,056,696, 30,096,998.88 and 7,278,197.92 is: 10,921,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056,696 : 30,096,998.88 = 7,278,197.92 : x
  2. Step 2: Convert to fraction form
    20,056,696/30,096,998.88 = 7,278,197.92/x
  3. Step 3: Cross multiply
    20,056,696x = 30,096,998.88 × 7,278,197.92
  4. Step 4: Simplify right side
    20,056,696x = 219,051,914,646,658.31
  5. Step 5: Solve for x
    x = 219,051,914,646,658.31/20,056,696
  6. Step 6: Final answer
    x = 10,921,635.08

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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.