Home / 10,078,861.22-15,118,347.20-2,505,826.97

Finding the Fourth Proportional to 10,078,861.22, 15,118,347.20 and 2,505,826.97

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Solution

The fourth proportional to 10,078,861.22, 15,118,347.20 and 2,505,826.97 is: 3,758,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,861.22 : 15,118,347.20 = 2,505,826.97 : x
  2. Step 2: Convert to fraction form
    10,078,861.22/15,118,347.20 = 2,505,826.97/x
  3. Step 3: Cross multiply
    10,078,861.22x = 15,118,347.20 × 2,505,826.97
  4. Step 4: Simplify right side
    10,078,861.22x = 37,883,962,124,156.91
  5. Step 5: Solve for x
    x = 37,883,962,124,156.91/10,078,861.22
  6. Step 6: Final answer
    x = 3,758,754.22

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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.