Home / 12,072,604.40-18,108,906.60-7,277,825.60

Finding the Fourth Proportional to 12,072,604.40, 18,108,906.60 and 7,277,825.60

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Solution

The fourth proportional to 12,072,604.40, 18,108,906.60 and 7,277,825.60 is: 10,916,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,604.40 : 18,108,906.60 = 7,277,825.60 : x
  2. Step 2: Convert to fraction form
    12,072,604.40/18,108,906.60 = 7,277,825.60/x
  3. Step 3: Cross multiply
    12,072,604.40x = 18,108,906.60 × 7,277,825.60
  4. Step 4: Simplify right side
    12,072,604.40x = 131,793,464,041,488.97
  5. Step 5: Solve for x
    x = 131,793,464,041,488.97/12,072,604.40
  6. Step 6: Final answer
    x = 10,916,738.40

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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.