Home / 21,407,636.63-29,542,553.96-11,618,078.28

Finding the Fourth Proportional to 21,407,636.63, 29,542,553.96 and 11,618,078.28

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Solution

The fourth proportional to 21,407,636.63, 29,542,553.96 and 11,618,078.28 is: 16,032,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,636.63 : 29,542,553.96 = 11,618,078.28 : x
  2. Step 2: Convert to fraction form
    21,407,636.63/29,542,553.96 = 11,618,078.28/x
  3. Step 3: Cross multiply
    21,407,636.63x = 29,542,553.96 × 11,618,078.28
  4. Step 4: Simplify right side
    21,407,636.63x = 343,227,704,440,313.56
  5. Step 5: Solve for x
    x = 343,227,704,440,313.56/21,407,636.63
  6. Step 6: Final answer
    x = 16,032,956.39

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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.