Home / 12,364,609.20-18,538,273.80-7,313,319.60

Finding the Fourth Proportional to 12,364,609.20, 18,538,273.80 and 7,313,319.60

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Solution

The fourth proportional to 12,364,609.20, 18,538,273.80 and 7,313,319.60 is: 10,964,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,609.20 : 18,538,273.80 = 7,313,319.60 : x
  2. Step 2: Convert to fraction form
    12,364,609.20/18,538,273.80 = 7,313,319.60/x
  3. Step 3: Cross multiply
    12,364,609.20x = 18,538,273.80 × 7,313,319.60
  4. Step 4: Simplify right side
    12,364,609.20x = 135,576,321,131,706.48
  5. Step 5: Solve for x
    x = 135,576,321,131,706.48/12,364,609.20
  6. Step 6: Final answer
    x = 10,964,869.08

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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.