Home / 20,395,078.70-30,622,769.48-13,613,901.26

Finding the Fourth Proportional to 20,395,078.70, 30,622,769.48 and 13,613,901.26

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Solution

The fourth proportional to 20,395,078.70, 30,622,769.48 and 13,613,901.26 is: 20,440,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395,078.70 : 30,622,769.48 = 13,613,901.26 : x
  2. Step 2: Convert to fraction form
    20,395,078.70/30,622,769.48 = 13,613,901.26/x
  3. Step 3: Cross multiply
    20,395,078.70x = 30,622,769.48 × 13,613,901.26
  4. Step 4: Simplify right side
    20,395,078.70x = 416,895,359,889,382.50
  5. Step 5: Solve for x
    x = 416,895,359,889,382.50/20,395,078.70
  6. Step 6: Final answer
    x = 20,440,978.24

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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.