Home / 14,388,338.30-21,554,513.85-8,691,640.70

Finding the Fourth Proportional to 14,388,338.30, 21,554,513.85 and 8,691,640.70

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Solution

The fourth proportional to 14,388,338.30, 21,554,513.85 and 8,691,640.70 is: 13,020,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388,338.30 : 21,554,513.85 = 8,691,640.70 : x
  2. Step 2: Convert to fraction form
    14,388,338.30/21,554,513.85 = 8,691,640.70/x
  3. Step 3: Cross multiply
    14,388,338.30x = 21,554,513.85 × 8,691,640.70
  4. Step 4: Simplify right side
    14,388,338.30x = 187,344,089,847,373.69
  5. Step 5: Solve for x
    x = 187,344,089,847,373.69/14,388,338.30
  6. Step 6: Final answer
    x = 13,020,550.81

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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.