Home / 21,530,156.27-29,712,333.06-11,741,136.03

Finding the Fourth Proportional to 21,530,156.27, 29,712,333.06 and 11,741,136.03

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Solution

The fourth proportional to 21,530,156.27, 29,712,333.06 and 11,741,136.03 is: 16,203,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,156.27 : 29,712,333.06 = 11,741,136.03 : x
  2. Step 2: Convert to fraction form
    21,530,156.27/29,712,333.06 = 11,741,136.03/x
  3. Step 3: Cross multiply
    21,530,156.27x = 29,712,333.06 × 11,741,136.03
  4. Step 4: Simplify right side
    21,530,156.27x = 348,856,544,226,126.12
  5. Step 5: Solve for x
    x = 348,856,544,226,126.12/21,530,156.27
  6. Step 6: Final answer
    x = 16,203,158.95

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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.