Home / 12,543,727.80-18,802,882.80-8,500,620.90

Finding the Fourth Proportional to 12,543,727.80, 18,802,882.80 and 8,500,620.90

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Solution

The fourth proportional to 12,543,727.80, 18,802,882.80 and 8,500,620.90 is: 12,742,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,727.80 : 18,802,882.80 = 8,500,620.90 : x
  2. Step 2: Convert to fraction form
    12,543,727.80/18,802,882.80 = 8,500,620.90/x
  3. Step 3: Cross multiply
    12,543,727.80x = 18,802,882.80 × 8,500,620.90
  4. Step 4: Simplify right side
    12,543,727.80x = 159,836,178,509,930.53
  5. Step 5: Solve for x
    x = 159,836,178,509,930.53/12,543,727.80
  6. Step 6: Final answer
    x = 12,742,318.80

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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.