Home / 8,083,231.80-12,089,855.70-7,236,425.40

Finding the Fourth Proportional to 8,083,231.80, 12,089,855.70 and 7,236,425.40

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Solution

The fourth proportional to 8,083,231.80, 12,089,855.70 and 7,236,425.40 is: 10,823,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,231.80 : 12,089,855.70 = 7,236,425.40 : x
  2. Step 2: Convert to fraction form
    8,083,231.80/12,089,855.70 = 7,236,425.40/x
  3. Step 3: Cross multiply
    8,083,231.80x = 12,089,855.70 × 7,236,425.40
  4. Step 4: Simplify right side
    8,083,231.80x = 87,487,338,869,814.78
  5. Step 5: Solve for x
    x = 87,487,338,869,814.78/8,083,231.80
  6. Step 6: Final answer
    x = 10,823,311.89

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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.