Home / 20,629,548.54-30,945,350.70-7,851,043.62

Finding the Fourth Proportional to 20,629,548.54, 30,945,350.70 and 7,851,043.62

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Solution

The fourth proportional to 20,629,548.54, 30,945,350.70 and 7,851,043.62 is: 11,776,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,548.54 : 30,945,350.70 = 7,851,043.62 : x
  2. Step 2: Convert to fraction form
    20,629,548.54/30,945,350.70 = 7,851,043.62/x
  3. Step 3: Cross multiply
    20,629,548.54x = 30,945,350.70 × 7,851,043.62
  4. Step 4: Simplify right side
    20,629,548.54x = 242,953,298,181,897.53
  5. Step 5: Solve for x
    x = 242,953,298,181,897.53/20,629,548.54
  6. Step 6: Final answer
    x = 11,776,956.62

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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.