Home / 8,501,311.60-12,776,850.60-7,406,450.80

Finding the Fourth Proportional to 8,501,311.60, 12,776,850.60 and 7,406,450.80

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Solution

The fourth proportional to 8,501,311.60, 12,776,850.60 and 7,406,450.80 is: 11,131,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,311.60 : 12,776,850.60 = 7,406,450.80 : x
  2. Step 2: Convert to fraction form
    8,501,311.60/12,776,850.60 = 7,406,450.80/x
  3. Step 3: Cross multiply
    8,501,311.60x = 12,776,850.60 × 7,406,450.80
  4. Step 4: Simplify right side
    8,501,311.60x = 94,631,115,347,850.47
  5. Step 5: Solve for x
    x = 94,631,115,347,850.47/8,501,311.60
  6. Step 6: Final answer
    x = 11,131,354.76

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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.