Home / 15,051,200.28-20,770,640.58-8,175,687.72

Finding the Fourth Proportional to 15,051,200.28, 20,770,640.58 and 8,175,687.72

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Solution

The fourth proportional to 15,051,200.28, 20,770,640.58 and 8,175,687.72 is: 11,282,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,200.28 : 20,770,640.58 = 8,175,687.72 : x
  2. Step 2: Convert to fraction form
    15,051,200.28/20,770,640.58 = 8,175,687.72/x
  3. Step 3: Cross multiply
    15,051,200.28x = 20,770,640.58 × 8,175,687.72
  4. Step 4: Simplify right side
    15,051,200.28x = 169,814,271,126,439.66
  5. Step 5: Solve for x
    x = 169,814,271,126,439.66/15,051,200.28
  6. Step 6: Final answer
    x = 11,282,440.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.