Home / 51,603,279.60-71,212,537.52-28,398,406.56

Finding the Fourth Proportional to 51,603,279.60, 71,212,537.52 and 28,398,406.56

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Solution

The fourth proportional to 51,603,279.60, 71,212,537.52 and 28,398,406.56 is: 39,189,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603,279.60 : 71,212,537.52 = 28,398,406.56 : x
  2. Step 2: Convert to fraction form
    51,603,279.60/71,212,537.52 = 28,398,406.56/x
  3. Step 3: Cross multiply
    51,603,279.60x = 71,212,537.52 × 28,398,406.56
  4. Step 4: Simplify right side
    51,603,279.60x = 2,022,322,592,662,214
  5. Step 5: Solve for x
    x = 2,022,322,592,662,214/51,603,279.60
  6. Step 6: Final answer
    x = 39,189,807.48

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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.