Home / 7,820,136.83-10,787,953.92-6,786,193.43

Finding the Fourth Proportional to 7,820,136.83, 10,787,953.92 and 6,786,193.43

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Solution

The fourth proportional to 7,820,136.83, 10,787,953.92 and 6,786,193.43 is: 9,361,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,136.83 : 10,787,953.92 = 6,786,193.43 : x
  2. Step 2: Convert to fraction form
    7,820,136.83/10,787,953.92 = 6,786,193.43/x
  3. Step 3: Cross multiply
    7,820,136.83x = 10,787,953.92 × 6,786,193.43
  4. Step 4: Simplify right side
    7,820,136.83x = 73,209,142,016,568.41
  5. Step 5: Solve for x
    x = 73,209,142,016,568.41/7,820,136.83
  6. Step 6: Final answer
    x = 9,361,619.06

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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.