Home / 8,018,309.88-11,003,917.23-7,961,622.84

Finding the Fourth Proportional to 8,018,309.88, 11,003,917.23 and 7,961,622.84

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Solution

The fourth proportional to 8,018,309.88, 11,003,917.23 and 7,961,622.84 is: 10,926,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,309.88 : 11,003,917.23 = 7,961,622.84 : x
  2. Step 2: Convert to fraction form
    8,018,309.88/11,003,917.23 = 7,961,622.84/x
  3. Step 3: Cross multiply
    8,018,309.88x = 11,003,917.23 × 7,961,622.84
  4. Step 4: Simplify right side
    8,018,309.88x = 87,609,038,747,837.53
  5. Step 5: Solve for x
    x = 87,609,038,747,837.53/8,018,309.88
  6. Step 6: Final answer
    x = 10,926,122.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.