Home / 18,126,921.36-25,015,811.45-9,866,583.48

Finding the Fourth Proportional to 18,126,921.36, 25,015,811.45 and 9,866,583.48

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Solution

The fourth proportional to 18,126,921.36, 25,015,811.45 and 9,866,583.48 is: 13,616,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,921.36 : 25,015,811.45 = 9,866,583.48 : x
  2. Step 2: Convert to fraction form
    18,126,921.36/25,015,811.45 = 9,866,583.48/x
  3. Step 3: Cross multiply
    18,126,921.36x = 25,015,811.45 × 9,866,583.48
  4. Step 4: Simplify right side
    18,126,921.36x = 246,820,591,942,031.94
  5. Step 5: Solve for x
    x = 246,820,591,942,031.94/18,126,921.36
  6. Step 6: Final answer
    x = 13,616,244.43

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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.