Home / 15,189,893.04-20,962,585.26-8,314,380.48

Finding the Fourth Proportional to 15,189,893.04, 20,962,585.26 and 8,314,380.48

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Solution

The fourth proportional to 15,189,893.04, 20,962,585.26 and 8,314,380.48 is: 11,474,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,893.04 : 20,962,585.26 = 8,314,380.48 : x
  2. Step 2: Convert to fraction form
    15,189,893.04/20,962,585.26 = 8,314,380.48/x
  3. Step 3: Cross multiply
    15,189,893.04x = 20,962,585.26 × 8,314,380.48
  4. Step 4: Simplify right side
    15,189,893.04x = 174,290,909,696,079.75
  5. Step 5: Solve for x
    x = 174,290,909,696,079.75/15,189,893.04
  6. Step 6: Final answer
    x = 11,474,136.73

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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.