Home / 8,084,495.20-12,126,742.80-7,340,477.80

Finding the Fourth Proportional to 8,084,495.20, 12,126,742.80 and 7,340,477.80

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Solution

The fourth proportional to 8,084,495.20, 12,126,742.80 and 7,340,477.80 is: 11,010,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,495.20 : 12,126,742.80 = 7,340,477.80 : x
  2. Step 2: Convert to fraction form
    8,084,495.20/12,126,742.80 = 7,340,477.80/x
  3. Step 3: Cross multiply
    8,084,495.20x = 12,126,742.80 × 7,340,477.80
  4. Step 4: Simplify right side
    8,084,495.20x = 89,016,086,309,709.84
  5. Step 5: Solve for x
    x = 89,016,086,309,709.84/8,084,495.20
  6. Step 6: Final answer
    x = 11,010,716.70

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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.