Home / 21,530,311.02-29,712,546.72-11,741,290.92

Finding the Fourth Proportional to 21,530,311.02, 29,712,546.72 and 11,741,290.92

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Solution

The fourth proportional to 21,530,311.02, 29,712,546.72 and 11,741,290.92 is: 16,203,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,311.02 : 29,712,546.72 = 11,741,290.92 : x
  2. Step 2: Convert to fraction form
    21,530,311.02/29,712,546.72 = 11,741,290.92/x
  3. Step 3: Cross multiply
    21,530,311.02x = 29,712,546.72 × 11,741,290.92
  4. Step 4: Simplify right side
    21,530,311.02x = 348,863,655,013,611.75
  5. Step 5: Solve for x
    x = 348,863,655,013,611.75/21,530,311.02
  6. Step 6: Final answer
    x = 16,203,372.76

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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.