Home / 38,828,163.06-53,582,444.37-21,425,241.78

Finding the Fourth Proportional to 38,828,163.06, 53,582,444.37 and 21,425,241.78

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Solution

The fourth proportional to 38,828,163.06, 53,582,444.37 and 21,425,241.78 is: 29,566,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828,163.06 : 53,582,444.37 = 21,425,241.78 : x
  2. Step 2: Convert to fraction form
    38,828,163.06/53,582,444.37 = 21,425,241.78/x
  3. Step 3: Cross multiply
    38,828,163.06x = 53,582,444.37 × 21,425,241.78
  4. Step 4: Simplify right side
    38,828,163.06x = 1,148,016,825,790,649.75
  5. Step 5: Solve for x
    x = 1,148,016,825,790,649.75/38,828,163.06
  6. Step 6: Final answer
    x = 29,566,601.54

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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.