Home / 21,457,168.13-29,611,046.04-11,667,542.16

Finding the Fourth Proportional to 21,457,168.13, 29,611,046.04 and 11,667,542.16

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Solution

The fourth proportional to 21,457,168.13, 29,611,046.04 and 11,667,542.16 is: 16,101,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,168.13 : 29,611,046.04 = 11,667,542.16 : x
  2. Step 2: Convert to fraction form
    21,457,168.13/29,611,046.04 = 11,667,542.16/x
  3. Step 3: Cross multiply
    21,457,168.13x = 29,611,046.04 × 11,667,542.16
  4. Step 4: Simplify right side
    21,457,168.13x = 345,488,128,073,401.06
  5. Step 5: Solve for x
    x = 345,488,128,073,401.06/21,457,168.13
  6. Step 6: Final answer
    x = 16,101,291.93

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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.