Home / 18,795,650.64-28,193,500.68-5,148,918.33

Finding the Fourth Proportional to 18,795,650.64, 28,193,500.68 and 5,148,918.33

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Solution

The fourth proportional to 18,795,650.64, 28,193,500.68 and 5,148,918.33 is: 7,723,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,650.64 : 28,193,500.68 = 5,148,918.33 : x
  2. Step 2: Convert to fraction form
    18,795,650.64/28,193,500.68 = 5,148,918.33/x
  3. Step 3: Cross multiply
    18,795,650.64x = 28,193,500.68 × 5,148,918.33
  4. Step 4: Simplify right side
    18,795,650.64x = 145,166,032,438,119.47
  5. Step 5: Solve for x
    x = 145,166,032,438,119.47/18,795,650.64
  6. Step 6: Final answer
    x = 7,723,384.27

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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.