Home / 11,743,132.80-17,614,699.20-7,916,757.60

Finding the Fourth Proportional to 11,743,132.80, 17,614,699.20 and 7,916,757.60

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Solution

The fourth proportional to 11,743,132.80, 17,614,699.20 and 7,916,757.60 is: 11,875,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743,132.80 : 17,614,699.20 = 7,916,757.60 : x
  2. Step 2: Convert to fraction form
    11,743,132.80/17,614,699.20 = 7,916,757.60/x
  3. Step 3: Cross multiply
    11,743,132.80x = 17,614,699.20 × 7,916,757.60
  4. Step 4: Simplify right side
    11,743,132.80x = 139,451,303,763,313.91
  5. Step 5: Solve for x
    x = 139,451,303,763,313.91/11,743,132.80
  6. Step 6: Final answer
    x = 11,875,136.40

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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.