Home / 47,140,947.09-65,060,169.75-28,555,542.27

Finding the Fourth Proportional to 47,140,947.09, 65,060,169.75 and 28,555,542.27

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Solution

The fourth proportional to 47,140,947.09, 65,060,169.75 and 28,555,542.27 is: 39,410,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140,947.09 : 65,060,169.75 = 28,555,542.27 : x
  2. Step 2: Convert to fraction form
    47,140,947.09/65,060,169.75 = 28,555,542.27/x
  3. Step 3: Cross multiply
    47,140,947.09x = 65,060,169.75 × 28,555,542.27
  4. Step 4: Simplify right side
    47,140,947.09x = 1,857,828,427,389,500.25
  5. Step 5: Solve for x
    x = 1,857,828,427,389,500.25/47,140,947.09
  6. Step 6: Final answer
    x = 39,410,078.54

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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.