Home / 52,012,408.80-71,825,372.28-38,936,967.60

Finding the Fourth Proportional to 52,012,408.80, 71,825,372.28 and 38,936,967.60

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Solution

The fourth proportional to 52,012,408.80, 71,825,372.28 and 38,936,967.60 is: 53,769,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,012,408.80 : 71,825,372.28 = 38,936,967.60 : x
  2. Step 2: Convert to fraction form
    52,012,408.80/71,825,372.28 = 38,936,967.60/x
  3. Step 3: Cross multiply
    52,012,408.80x = 71,825,372.28 × 38,936,967.60
  4. Step 4: Simplify right side
    52,012,408.80x = 2,796,662,193,324,298.50
  5. Step 5: Solve for x
    x = 2,796,662,193,324,298.50/52,012,408.80
  6. Step 6: Final answer
    x = 53,769,134.29

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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.