Home / 12,427,381.84-17,146,321.64-8,015,240.56

Finding the Fourth Proportional to 12,427,381.84, 17,146,321.64 and 8,015,240.56

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Solution

The fourth proportional to 12,427,381.84, 17,146,321.64 and 8,015,240.56 is: 11,058,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,381.84 : 17,146,321.64 = 8,015,240.56 : x
  2. Step 2: Convert to fraction form
    12,427,381.84/17,146,321.64 = 8,015,240.56/x
  3. Step 3: Cross multiply
    12,427,381.84x = 17,146,321.64 × 8,015,240.56
  4. Step 4: Simplify right side
    12,427,381.84x = 137,431,892,663,733.72
  5. Step 5: Solve for x
    x = 137,431,892,663,733.72/12,427,381.84
  6. Step 6: Final answer
    x = 11,058,796.97

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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.