Home / 31,373,965.44-43,289,356.32-18,315,298.08

Finding the Fourth Proportional to 31,373,965.44, 43,289,356.32 and 18,315,298.08

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Solution

The fourth proportional to 31,373,965.44, 43,289,356.32 and 18,315,298.08 is: 25,271,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373,965.44 : 43,289,356.32 = 18,315,298.08 : x
  2. Step 2: Convert to fraction form
    31,373,965.44/43,289,356.32 = 18,315,298.08/x
  3. Step 3: Cross multiply
    31,373,965.44x = 43,289,356.32 × 18,315,298.08
  4. Step 4: Simplify right side
    31,373,965.44x = 792,857,464,692,131.75
  5. Step 5: Solve for x
    x = 792,857,464,692,131.75/31,373,965.44
  6. Step 6: Final answer
    x = 25,271,190.73

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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.