Home / 8,078,489.30-12,111,707.55-4,882,942.10

Finding the Fourth Proportional to 8,078,489.30, 12,111,707.55 and 4,882,942.10

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Solution

The fourth proportional to 8,078,489.30, 12,111,707.55 and 4,882,942.10 is: 7,320,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,489.30 : 12,111,707.55 = 4,882,942.10 : x
  2. Step 2: Convert to fraction form
    8,078,489.30/12,111,707.55 = 4,882,942.10/x
  3. Step 3: Cross multiply
    8,078,489.30x = 12,111,707.55 × 4,882,942.10
  4. Step 4: Simplify right side
    8,078,489.30x = 59,140,766,698,782.85
  5. Step 5: Solve for x
    x = 59,140,766,698,782.85/8,078,489.30
  6. Step 6: Final answer
    x = 7,320,770.57

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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.