Home / 12,072,004.80-18,108,007.20-8,245,629.60

Finding the Fourth Proportional to 12,072,004.80, 18,108,007.20 and 8,245,629.60

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Solution

The fourth proportional to 12,072,004.80, 18,108,007.20 and 8,245,629.60 is: 12,368,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,004.80 : 18,108,007.20 = 8,245,629.60 : x
  2. Step 2: Convert to fraction form
    12,072,004.80/18,108,007.20 = 8,245,629.60/x
  3. Step 3: Cross multiply
    12,072,004.80x = 18,108,007.20 × 8,245,629.60
  4. Step 4: Simplify right side
    12,072,004.80x = 149,311,920,165,333.09
  5. Step 5: Solve for x
    x = 149,311,920,165,333.09/12,072,004.80
  6. Step 6: Final answer
    x = 12,368,444.40

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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.