Home / 15,773,902.20-21,768,050.64-8,530,558.20

Finding the Fourth Proportional to 15,773,902.20, 21,768,050.64 and 8,530,558.20

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Solution

The fourth proportional to 15,773,902.20, 21,768,050.64 and 8,530,558.20 is: 11,772,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,902.20 : 21,768,050.64 = 8,530,558.20 : x
  2. Step 2: Convert to fraction form
    15,773,902.20/21,768,050.64 = 8,530,558.20/x
  3. Step 3: Cross multiply
    15,773,902.20x = 21,768,050.64 × 8,530,558.20
  4. Step 4: Simplify right side
    15,773,902.20x = 185,693,622,885,067.25
  5. Step 5: Solve for x
    x = 185,693,622,885,067.25/15,773,902.20
  6. Step 6: Final answer
    x = 11,772,205.79

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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.