Home / 20,440,308.96-30,668,642.82-8,310,704.76

Finding the Fourth Proportional to 20,440,308.96, 30,668,642.82 and 8,310,704.76

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Solution

The fourth proportional to 20,440,308.96, 30,668,642.82 and 8,310,704.76 is: 12,469,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,308.96 : 30,668,642.82 = 8,310,704.76 : x
  2. Step 2: Convert to fraction form
    20,440,308.96/30,668,642.82 = 8,310,704.76/x
  3. Step 3: Cross multiply
    20,440,308.96x = 30,668,642.82 × 8,310,704.76
  4. Step 4: Simplify right side
    20,440,308.96x = 254,878,035,866,913.81
  5. Step 5: Solve for x
    x = 254,878,035,866,913.81/20,440,308.96
  6. Step 6: Final answer
    x = 12,469,382.75

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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.