Home / 11,546,694.72-15,933,780-6,389,755.20

Finding the Fourth Proportional to 11,546,694.72, 15,933,780 and 6,389,755.20

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Solution

The fourth proportional to 11,546,694.72, 15,933,780 and 6,389,755.20 is: 8,817,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546,694.72 : 15,933,780 = 6,389,755.20 : x
  2. Step 2: Convert to fraction form
    11,546,694.72/15,933,780 = 6,389,755.20/x
  3. Step 3: Cross multiply
    11,546,694.72x = 15,933,780 × 6,389,755.20
  4. Step 4: Simplify right side
    11,546,694.72x = 101,812,953,610,656
  5. Step 5: Solve for x
    x = 101,812,953,610,656/11,546,694.72
  6. Step 6: Final answer
    x = 8,817,497.65

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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.