Home / 20,774,845.20-31,162,267.80-20,476,246.80

Finding the Fourth Proportional to 20,774,845.20, 31,162,267.80 and 20,476,246.80

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Solution

The fourth proportional to 20,774,845.20, 31,162,267.80 and 20,476,246.80 is: 30,714,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,845.20 : 31,162,267.80 = 20,476,246.80 : x
  2. Step 2: Convert to fraction form
    20,774,845.20/31,162,267.80 = 20,476,246.80/x
  3. Step 3: Cross multiply
    20,774,845.20x = 31,162,267.80 × 20,476,246.80
  4. Step 4: Simplify right side
    20,774,845.20x = 638,086,286,320,493.12
  5. Step 5: Solve for x
    x = 638,086,286,320,493.12/20,774,845.20
  6. Step 6: Final answer
    x = 30,714,370.20

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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.