Home / 21,677,542.45-29,912,259.11-11,885,409.88

Finding the Fourth Proportional to 21,677,542.45, 29,912,259.11 and 11,885,409.88

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Solution

The fourth proportional to 21,677,542.45, 29,912,259.11 and 11,885,409.88 is: 16,400,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,542.45 : 29,912,259.11 = 11,885,409.88 : x
  2. Step 2: Convert to fraction form
    21,677,542.45/29,912,259.11 = 11,885,409.88/x
  3. Step 3: Cross multiply
    21,677,542.45x = 29,912,259.11 × 11,885,409.88
  4. Step 4: Simplify right side
    21,677,542.45x = 355,519,459,824,906.31
  5. Step 5: Solve for x
    x = 355,519,459,824,906.31/21,677,542.45
  6. Step 6: Final answer
    x = 16,400,358.14

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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.