Home / 38,561,842.83-53,216,322.49-21,158,183.44

Finding the Fourth Proportional to 38,561,842.83, 53,216,322.49 and 21,158,183.44

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Solution

The fourth proportional to 38,561,842.83, 53,216,322.49 and 21,158,183.44 is: 29,198,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561,842.83 : 53,216,322.49 = 21,158,183.44 : x
  2. Step 2: Convert to fraction form
    38,561,842.83/53,216,322.49 = 21,158,183.44/x
  3. Step 3: Cross multiply
    38,561,842.83x = 53,216,322.49 × 21,158,183.44
  4. Step 4: Simplify right side
    38,561,842.83x = 1,125,960,713,219,549.75
  5. Step 5: Solve for x
    x = 1,125,960,713,219,549.75/38,561,842.83
  6. Step 6: Final answer
    x = 29,198,830.51

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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.