Home / 47,639,414.57-71,462,537.37-19,945,463.54

Finding the Fourth Proportional to 47,639,414.57, 71,462,537.37 and 19,945,463.54

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Solution

The fourth proportional to 47,639,414.57, 71,462,537.37 and 19,945,463.54 is: 29,919,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639,414.57 : 71,462,537.37 = 19,945,463.54 : x
  2. Step 2: Convert to fraction form
    47,639,414.57/71,462,537.37 = 19,945,463.54/x
  3. Step 3: Cross multiply
    47,639,414.57x = 71,462,537.37 × 19,945,463.54
  4. Step 4: Simplify right side
    47,639,414.57x = 1,425,353,433,689,973.25
  5. Step 5: Solve for x
    x = 1,425,353,433,689,973.25/47,639,414.57
  6. Step 6: Final answer
    x = 29,919,625.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.