Home / 13,365,782.52-20,014,759.62-11,201,115.48

Finding the Fourth Proportional to 13,365,782.52, 20,014,759.62 and 11,201,115.48

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Solution

The fourth proportional to 13,365,782.52, 20,014,759.62 and 11,201,115.48 is: 16,773,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,782.52 : 20,014,759.62 = 11,201,115.48 : x
  2. Step 2: Convert to fraction form
    13,365,782.52/20,014,759.62 = 11,201,115.48/x
  3. Step 3: Cross multiply
    13,365,782.52x = 20,014,759.62 × 11,201,115.48
  4. Step 4: Simplify right side
    13,365,782.52x = 224,187,633,808,060.94
  5. Step 5: Solve for x
    x = 224,187,633,808,060.94/13,365,782.52
  6. Step 6: Final answer
    x = 16,773,251.66

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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.