Home / 47,977,123.10-71,965,895.46-15,187,853.09

Finding the Fourth Proportional to 47,977,123.10, 71,965,895.46 and 15,187,853.09

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Solution

The fourth proportional to 47,977,123.10, 71,965,895.46 and 15,187,853.09 is: 22,781,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,123.10 : 71,965,895.46 = 15,187,853.09 : x
  2. Step 2: Convert to fraction form
    47,977,123.10/71,965,895.46 = 15,187,853.09/x
  3. Step 3: Cross multiply
    47,977,123.10x = 71,965,895.46 × 15,187,853.09
  4. Step 4: Simplify right side
    47,977,123.10x = 1,093,007,447,736,777.88
  5. Step 5: Solve for x
    x = 1,093,007,447,736,777.88/47,977,123.10
  6. Step 6: Final answer
    x = 22,781,846.37

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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.