Home / 7,751,127.84-11,619,965.70-3,909,743.58

Finding the Fourth Proportional to 7,751,127.84, 11,619,965.70 and 3,909,743.58

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Solution

The fourth proportional to 7,751,127.84, 11,619,965.70 and 3,909,743.58 is: 5,861,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751,127.84 : 11,619,965.70 = 3,909,743.58 : x
  2. Step 2: Convert to fraction form
    7,751,127.84/11,619,965.70 = 3,909,743.58/x
  3. Step 3: Cross multiply
    7,751,127.84x = 11,619,965.70 × 3,909,743.58
  4. Step 4: Simplify right side
    7,751,127.84x = 45,431,086,295,395.20
  5. Step 5: Solve for x
    x = 45,431,086,295,395.20/7,751,127.84
  6. Step 6: Final answer
    x = 5,861,222.68

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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.