Home / 20,415,046.80-30,622,570.20-18,182,994.60

Finding the Fourth Proportional to 20,415,046.80, 30,622,570.20 and 18,182,994.60

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Solution

The fourth proportional to 20,415,046.80, 30,622,570.20 and 18,182,994.60 is: 27,274,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,046.80 : 30,622,570.20 = 18,182,994.60 : x
  2. Step 2: Convert to fraction form
    20,415,046.80/30,622,570.20 = 18,182,994.60/x
  3. Step 3: Cross multiply
    20,415,046.80x = 30,622,570.20 × 18,182,994.60
  4. Step 4: Simplify right side
    20,415,046.80x = 556,810,028,584,720.94
  5. Step 5: Solve for x
    x = 556,810,028,584,720.94/20,415,046.80
  6. Step 6: Final answer
    x = 27,274,491.90

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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.