Home / 12,364,612.20-18,538,278.30-7,313,322.60

Finding the Fourth Proportional to 12,364,612.20, 18,538,278.30 and 7,313,322.60

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Solution

The fourth proportional to 12,364,612.20, 18,538,278.30 and 7,313,322.60 is: 10,964,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,612.20 : 18,538,278.30 = 7,313,322.60 : x
  2. Step 2: Convert to fraction form
    12,364,612.20/18,538,278.30 = 7,313,322.60/x
  3. Step 3: Cross multiply
    12,364,612.20x = 18,538,278.30 × 7,313,322.60
  4. Step 4: Simplify right side
    12,364,612.20x = 135,576,409,656,479.58
  5. Step 5: Solve for x
    x = 135,576,409,656,479.58/12,364,612.20
  6. Step 6: Final answer
    x = 10,964,873.58

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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.