Home / 38,739,879.03-53,464,809.24-28,933,297.90

Finding the Fourth Proportional to 38,739,879.03, 53,464,809.24 and 28,933,297.90

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Solution

The fourth proportional to 38,739,879.03, 53,464,809.24 and 28,933,297.90 is: 39,930,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,879.03 : 53,464,809.24 = 28,933,297.90 : x
  2. Step 2: Convert to fraction form
    38,739,879.03/53,464,809.24 = 28,933,297.90/x
  3. Step 3: Cross multiply
    38,739,879.03x = 53,464,809.24 × 28,933,297.90
  4. Step 4: Simplify right side
    38,739,879.03x = 1,546,913,252,640,268.50
  5. Step 5: Solve for x
    x = 1,546,913,252,640,268.50/38,739,879.03
  6. Step 6: Final answer
    x = 39,930,771.37

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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.