Home / 11,821,354.11-17,732,031.17-9,129,605.45

Finding the Fourth Proportional to 11,821,354.11, 17,732,031.17 and 9,129,605.45

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Solution

The fourth proportional to 11,821,354.11, 17,732,031.17 and 9,129,605.45 is: 13,694,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,354.11 : 17,732,031.17 = 9,129,605.45 : x
  2. Step 2: Convert to fraction form
    11,821,354.11/17,732,031.17 = 9,129,605.45/x
  3. Step 3: Cross multiply
    11,821,354.11x = 17,732,031.17 × 9,129,605.45
  4. Step 4: Simplify right side
    11,821,354.11x = 161,886,448,274,893.69
  5. Step 5: Solve for x
    x = 161,886,448,274,893.69/11,821,354.11
  6. Step 6: Final answer
    x = 13,694,408.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.