Home / 10,127,971.56-13,976,599.66-5,481,755.74

Finding the Fourth Proportional to 10,127,971.56, 13,976,599.66 and 5,481,755.74

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Solution

The fourth proportional to 10,127,971.56, 13,976,599.66 and 5,481,755.74 is: 7,564,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,971.56 : 13,976,599.66 = 5,481,755.74 : x
  2. Step 2: Convert to fraction form
    10,127,971.56/13,976,599.66 = 5,481,755.74/x
  3. Step 3: Cross multiply
    10,127,971.56x = 13,976,599.66 × 5,481,755.74
  4. Step 4: Simplify right side
    10,127,971.56x = 76,616,305,436,210
  5. Step 5: Solve for x
    x = 76,616,305,436,210/10,127,971.56
  6. Step 6: Final answer
    x = 7,564,822.33

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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.