Home / 7,117,711.20-10,655,571.60-6,277,903.20

Finding the Fourth Proportional to 7,117,711.20, 10,655,571.60 and 6,277,903.20

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Solution

The fourth proportional to 7,117,711.20, 10,655,571.60 and 6,277,903.20 is: 9,398,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,711.20 : 10,655,571.60 = 6,277,903.20 : x
  2. Step 2: Convert to fraction form
    7,117,711.20/10,655,571.60 = 6,277,903.20/x
  3. Step 3: Cross multiply
    7,117,711.20x = 10,655,571.60 × 6,277,903.20
  4. Step 4: Simplify right side
    7,117,711.20x = 66,894,647,045,469.12
  5. Step 5: Solve for x
    x = 66,894,647,045,469.12/7,117,711.20
  6. Step 6: Final answer
    x = 9,398,336.79

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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.