Home / 49,036,513.60-67,670,388.48-28,421,917.12

Finding the Fourth Proportional to 49,036,513.60, 67,670,388.48 and 28,421,917.12

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Solution

The fourth proportional to 49,036,513.60, 67,670,388.48 and 28,421,917.12 is: 39,222,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,036,513.60 : 67,670,388.48 = 28,421,917.12 : x
  2. Step 2: Convert to fraction form
    49,036,513.60/67,670,388.48 = 28,421,917.12/x
  3. Step 3: Cross multiply
    49,036,513.60x = 67,670,388.48 × 28,421,917.12
  4. Step 4: Simplify right side
    49,036,513.60x = 1,923,322,172,856,763
  5. Step 5: Solve for x
    x = 1,923,322,172,856,763/49,036,513.60
  6. Step 6: Final answer
    x = 39,222,245.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.