Home / 17,220,738.74-23,764,620.75-9,485,781.05

Finding the Fourth Proportional to 17,220,738.74, 23,764,620.75 and 9,485,781.05

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Solution

The fourth proportional to 17,220,738.74, 23,764,620.75 and 9,485,781.05 is: 13,090,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,738.74 : 23,764,620.75 = 9,485,781.05 : x
  2. Step 2: Convert to fraction form
    17,220,738.74/23,764,620.75 = 9,485,781.05/x
  3. Step 3: Cross multiply
    17,220,738.74x = 23,764,620.75 × 9,485,781.05
  4. Step 4: Simplify right side
    17,220,738.74x = 225,425,989,051,963.69
  5. Step 5: Solve for x
    x = 225,425,989,051,963.69/17,220,738.74
  6. Step 6: Final answer
    x = 13,090,378.56

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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.