Home / 21,530,159.64-29,712,337.72-11,741,139.41

Finding the Fourth Proportional to 21,530,159.64, 29,712,337.72 and 11,741,139.41

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Solution

The fourth proportional to 21,530,159.64, 29,712,337.72 and 11,741,139.41 is: 16,203,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,159.64 : 29,712,337.72 = 11,741,139.41 : x
  2. Step 2: Convert to fraction form
    21,530,159.64/29,712,337.72 = 11,741,139.41/x
  3. Step 3: Cross multiply
    21,530,159.64x = 29,712,337.72 × 11,741,139.41
  4. Step 4: Simplify right side
    21,530,159.64x = 348,856,699,189,607
  5. Step 5: Solve for x
    x = 348,856,699,189,607/21,530,159.64
  6. Step 6: Final answer
    x = 16,203,163.61

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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.