Home / 31,003,118.20-46,504,677.30-20,232,580.60

Finding the Fourth Proportional to 31,003,118.20, 46,504,677.30 and 20,232,580.60

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Solution

The fourth proportional to 31,003,118.20, 46,504,677.30 and 20,232,580.60 is: 30,348,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003,118.20 : 46,504,677.30 = 20,232,580.60 : x
  2. Step 2: Convert to fraction form
    31,003,118.20/46,504,677.30 = 20,232,580.60/x
  3. Step 3: Cross multiply
    31,003,118.20x = 46,504,677.30 × 20,232,580.60
  4. Step 4: Simplify right side
    31,003,118.20x = 940,909,631,749,240.38
  5. Step 5: Solve for x
    x = 940,909,631,749,240.38/31,003,118.20
  6. Step 6: Final answer
    x = 30,348,870.90

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Double scale
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Similar ratio
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1.5x scale

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.