Home / 29,471,760.96-40,672,285.56-16,419,012.72

Finding the Fourth Proportional to 29,471,760.96, 40,672,285.56 and 16,419,012.72

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Solution

The fourth proportional to 29,471,760.96, 40,672,285.56 and 16,419,012.72 is: 22,658,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471,760.96 : 40,672,285.56 = 16,419,012.72 : x
  2. Step 2: Convert to fraction form
    29,471,760.96/40,672,285.56 = 16,419,012.72/x
  3. Step 3: Cross multiply
    29,471,760.96x = 40,672,285.56 × 16,419,012.72
  4. Step 4: Simplify right side
    29,471,760.96x = 667,798,773,961,112.38
  5. Step 5: Solve for x
    x = 667,798,773,961,112.38/29,471,760.96
  6. Step 6: Final answer
    x = 22,658,936.97

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1.5x scale

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.