Home / 11,880,101.43-16,394,546.70-6,447,593.43

Finding the Fourth Proportional to 11,880,101.43, 16,394,546.70 and 6,447,593.43

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Solution

The fourth proportional to 11,880,101.43, 16,394,546.70 and 6,447,593.43 is: 8,897,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,101.43 : 16,394,546.70 = 6,447,593.43 : x
  2. Step 2: Convert to fraction form
    11,880,101.43/16,394,546.70 = 6,447,593.43/x
  3. Step 3: Cross multiply
    11,880,101.43x = 16,394,546.70 × 6,447,593.43
  4. Step 4: Simplify right side
    11,880,101.43x = 105,705,371,590,748.17
  5. Step 5: Solve for x
    x = 105,705,371,590,748.17/11,880,101.43
  6. Step 6: Final answer
    x = 8,897,682.58

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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.