Home / 20,192,771.80-30,299,655.30-8,834,368.60

Finding the Fourth Proportional to 20,192,771.80, 30,299,655.30 and 8,834,368.60

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Solution

The fourth proportional to 20,192,771.80, 30,299,655.30 and 8,834,368.60 is: 13,256,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192,771.80 : 30,299,655.30 = 8,834,368.60 : x
  2. Step 2: Convert to fraction form
    20,192,771.80/30,299,655.30 = 8,834,368.60/x
  3. Step 3: Cross multiply
    20,192,771.80x = 30,299,655.30 × 8,834,368.60
  4. Step 4: Simplify right side
    20,192,771.80x = 267,678,323,373,143.56
  5. Step 5: Solve for x
    x = 267,678,323,373,143.56/20,192,771.80
  6. Step 6: Final answer
    x = 13,256,145.62

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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.