Home / 18,012,128.36-24,856,704.29-9,752,189.60

Finding the Fourth Proportional to 18,012,128.36, 24,856,704.29 and 9,752,189.60

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Solution

The fourth proportional to 18,012,128.36, 24,856,704.29 and 9,752,189.60 is: 13,458,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,128.36 : 24,856,704.29 = 9,752,189.60 : x
  2. Step 2: Convert to fraction form
    18,012,128.36/24,856,704.29 = 9,752,189.60/x
  3. Step 3: Cross multiply
    18,012,128.36x = 24,856,704.29 × 9,752,189.60
  4. Step 4: Simplify right side
    18,012,128.36x = 242,407,293,153,735.59
  5. Step 5: Solve for x
    x = 242,407,293,153,735.59/18,012,128.36
  6. Step 6: Final answer
    x = 13,458,003.87

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1.5x scale

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.