Home / 20,322,331.44-30,605,150.50-18,508,346.16

Finding the Fourth Proportional to 20,322,331.44, 30,605,150.50 and 18,508,346.16

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Solution

The fourth proportional to 20,322,331.44, 30,605,150.50 and 18,508,346.16 is: 27,873,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,331.44 : 30,605,150.50 = 18,508,346.16 : x
  2. Step 2: Convert to fraction form
    20,322,331.44/30,605,150.50 = 18,508,346.16/x
  3. Step 3: Cross multiply
    20,322,331.44x = 30,605,150.50 × 18,508,346.16
  4. Step 4: Simplify right side
    20,322,331.44x = 566,450,719,732,897.12
  5. Step 5: Solve for x
    x = 566,450,719,732,897.12/20,322,331.44
  6. Step 6: Final answer
    x = 27,873,313.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.