Home / 31,691,596.77-47,528,614.71-11,218,619.61

Finding the Fourth Proportional to 31,691,596.77, 47,528,614.71 and 11,218,619.61

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Solution

The fourth proportional to 31,691,596.77, 47,528,614.71 and 11,218,619.61 is: 16,824,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691,596.77 : 47,528,614.71 = 11,218,619.61 : x
  2. Step 2: Convert to fraction form
    31,691,596.77/47,528,614.71 = 11,218,619.61/x
  3. Step 3: Cross multiply
    31,691,596.77x = 47,528,614.71 × 11,218,619.61
  4. Step 4: Simplify right side
    31,691,596.77x = 533,205,449,021,740.44
  5. Step 5: Solve for x
    x = 533,205,449,021,740.44/31,691,596.77
  6. Step 6: Final answer
    x = 16,824,821.19

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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.