Home / 18,795,417.78-28,193,150.82-5,148,684.18

Finding the Fourth Proportional to 18,795,417.78, 28,193,150.82 and 5,148,684.18

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Solution

The fourth proportional to 18,795,417.78, 28,193,150.82 and 5,148,684.18 is: 7,723,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,417.78 : 28,193,150.82 = 5,148,684.18 : x
  2. Step 2: Convert to fraction form
    18,795,417.78/28,193,150.82 = 5,148,684.18/x
  3. Step 3: Cross multiply
    18,795,417.78x = 28,193,150.82 × 5,148,684.18
  4. Step 4: Simplify right side
    18,795,417.78x = 145,157,629,611,288.03
  5. Step 5: Solve for x
    x = 145,157,629,611,288.03/18,795,417.78
  6. Step 6: Final answer
    x = 7,723,032.89

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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.