Home / 12,096,940.20-18,145,410.30-12,012,959.40

Finding the Fourth Proportional to 12,096,940.20, 18,145,410.30 and 12,012,959.40

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Solution

The fourth proportional to 12,096,940.20, 18,145,410.30 and 12,012,959.40 is: 18,019,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,940.20 : 18,145,410.30 = 12,012,959.40 : x
  2. Step 2: Convert to fraction form
    12,096,940.20/18,145,410.30 = 12,012,959.40/x
  3. Step 3: Cross multiply
    12,096,940.20x = 18,145,410.30 × 12,012,959.40
  4. Step 4: Simplify right side
    12,096,940.20x = 217,980,077,230,241.84
  5. Step 5: Solve for x
    x = 217,980,077,230,241.84/12,096,940.20
  6. Step 6: Final answer
    x = 18,019,439.10

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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.