Home / 38,647,250.19-53,332,890.89-21,243,410.37

Finding the Fourth Proportional to 38,647,250.19, 53,332,890.89 and 21,243,410.37

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Solution

The fourth proportional to 38,647,250.19, 53,332,890.89 and 21,243,410.37 is: 29,315,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,250.19 : 53,332,890.89 = 21,243,410.37 : x
  2. Step 2: Convert to fraction form
    38,647,250.19/53,332,890.89 = 21,243,410.37/x
  3. Step 3: Cross multiply
    38,647,250.19x = 53,332,890.89 × 21,243,410.37
  4. Step 4: Simplify right side
    38,647,250.19x = 1,132,972,487,288,487.50
  5. Step 5: Solve for x
    x = 1,132,972,487,288,487.50/38,647,250.19
  6. Step 6: Final answer
    x = 29,315,733.51

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1.5x scale

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.