Home / 51,628,822.76-71,245,070.64-28,419,416.48

Finding the Fourth Proportional to 51,628,822.76, 71,245,070.64 and 28,419,416.48

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Solution

The fourth proportional to 51,628,822.76, 71,245,070.64 and 28,419,416.48 is: 39,217,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,822.76 : 71,245,070.64 = 28,419,416.48 : x
  2. Step 2: Convert to fraction form
    51,628,822.76/71,245,070.64 = 28,419,416.48/x
  3. Step 3: Cross multiply
    51,628,822.76x = 71,245,070.64 × 28,419,416.48
  4. Step 4: Simplify right side
    51,628,822.76x = 2,024,743,334,665,180.25
  5. Step 5: Solve for x
    x = 2,024,743,334,665,180.25/51,628,822.76
  6. Step 6: Final answer
    x = 39,217,305.89

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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.