Home / 12,393,004.20-18,589,506.30-9,033,772.20

Finding the Fourth Proportional to 12,393,004.20, 18,589,506.30 and 9,033,772.20

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Solution

The fourth proportional to 12,393,004.20, 18,589,506.30 and 9,033,772.20 is: 13,550,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,004.20 : 18,589,506.30 = 9,033,772.20 : x
  2. Step 2: Convert to fraction form
    12,393,004.20/18,589,506.30 = 9,033,772.20/x
  3. Step 3: Cross multiply
    12,393,004.20x = 18,589,506.30 × 9,033,772.20
  4. Step 4: Simplify right side
    12,393,004.20x = 167,933,365,224,664.84
  5. Step 5: Solve for x
    x = 167,933,365,224,664.84/12,393,004.20
  6. Step 6: Final answer
    x = 13,550,658.30

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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.