Home / 13,922,049.20-20,883,640.04-6,631,761.28

Finding the Fourth Proportional to 13,922,049.20, 20,883,640.04 and 6,631,761.28

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Solution

The fourth proportional to 13,922,049.20, 20,883,640.04 and 6,631,761.28 is: 9,947,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,049.20 : 20,883,640.04 = 6,631,761.28 : x
  2. Step 2: Convert to fraction form
    13,922,049.20/20,883,640.04 = 6,631,761.28/x
  3. Step 3: Cross multiply
    13,922,049.20x = 20,883,640.04 × 6,631,761.28
  4. Step 4: Simplify right side
    13,922,049.20x = 138,495,315,402,729.66
  5. Step 5: Solve for x
    x = 138,495,315,402,729.66/13,922,049.20
  6. Step 6: Final answer
    x = 9,947,911.65

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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.