Home / 22,120,646.36-30,530,087.75-13,309,003.96

Finding the Fourth Proportional to 22,120,646.36, 30,530,087.75 and 13,309,003.96

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Solution

The fourth proportional to 22,120,646.36, 30,530,087.75 and 13,309,003.96 is: 18,368,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120,646.36 : 30,530,087.75 = 13,309,003.96 : x
  2. Step 2: Convert to fraction form
    22,120,646.36/30,530,087.75 = 13,309,003.96/x
  3. Step 3: Cross multiply
    22,120,646.36x = 30,530,087.75 × 13,309,003.96
  4. Step 4: Simplify right side
    22,120,646.36x = 406,325,058,720,844.81
  5. Step 5: Solve for x
    x = 406,325,058,720,844.81/22,120,646.36
  6. Step 6: Final answer
    x = 18,368,588.88

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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.