Home / 29,829,220.79-41,183,236.40-20,425,745.90

Finding the Fourth Proportional to 29,829,220.79, 41,183,236.40 and 20,425,745.90

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Solution

The fourth proportional to 29,829,220.79, 41,183,236.40 and 20,425,745.90 is: 28,200,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,829,220.79 : 41,183,236.40 = 20,425,745.90 : x
  2. Step 2: Convert to fraction form
    29,829,220.79/41,183,236.40 = 20,425,745.90/x
  3. Step 3: Cross multiply
    29,829,220.79x = 41,183,236.40 × 20,425,745.90
  4. Step 4: Simplify right side
    29,829,220.79x = 841,198,322,046,860.12
  5. Step 5: Solve for x
    x = 841,198,322,046,860.12/29,829,220.79
  6. Step 6: Final answer
    x = 28,200,479.26

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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.