Home / 12,090,022.80-18,135,034.20-4,004,246.40

Finding the Fourth Proportional to 12,090,022.80, 18,135,034.20 and 4,004,246.40

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Solution

The fourth proportional to 12,090,022.80, 18,135,034.20 and 4,004,246.40 is: 6,006,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,022.80 : 18,135,034.20 = 4,004,246.40 : x
  2. Step 2: Convert to fraction form
    12,090,022.80/18,135,034.20 = 4,004,246.40/x
  3. Step 3: Cross multiply
    12,090,022.80x = 18,135,034.20 × 4,004,246.40
  4. Step 4: Simplify right side
    12,090,022.80x = 72,617,145,409,226.88
  5. Step 5: Solve for x
    x = 72,617,145,409,226.88/12,090,022.80
  6. Step 6: Final answer
    x = 6,006,369.60

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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.