Home / 8,010,321.84-12,018,165.48-2,619,221.04

Finding the Fourth Proportional to 8,010,321.84, 12,018,165.48 and 2,619,221.04

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Solution

The fourth proportional to 8,010,321.84, 12,018,165.48 and 2,619,221.04 is: 3,929,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010,321.84 : 12,018,165.48 = 2,619,221.04 : x
  2. Step 2: Convert to fraction form
    8,010,321.84/12,018,165.48 = 2,619,221.04/x
  3. Step 3: Cross multiply
    8,010,321.84x = 12,018,165.48 × 2,619,221.04
  4. Step 4: Simplify right side
    8,010,321.84x = 31,478,231,887,417.70
  5. Step 5: Solve for x
    x = 31,478,231,887,417.70/8,010,321.84
  6. Step 6: Final answer
    x = 3,929,708.76

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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.