Home / 7,920,004.20-11,880,006.30-4,728,733.80

Finding the Fourth Proportional to 7,920,004.20, 11,880,006.30 and 4,728,733.80

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Solution

The fourth proportional to 7,920,004.20, 11,880,006.30 and 4,728,733.80 is: 7,093,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,004.20 : 11,880,006.30 = 4,728,733.80 : x
  2. Step 2: Convert to fraction form
    7,920,004.20/11,880,006.30 = 4,728,733.80/x
  3. Step 3: Cross multiply
    7,920,004.20x = 11,880,006.30 × 4,728,733.80
  4. Step 4: Simplify right side
    7,920,004.20x = 56,177,387,335,022.94
  5. Step 5: Solve for x
    x = 56,177,387,335,022.94/7,920,004.20
  6. Step 6: Final answer
    x = 7,093,100.70

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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.