Home / 12,115,600.47-18,173,558.07-4,028,575.77

Finding the Fourth Proportional to 12,115,600.47, 18,173,558.07 and 4,028,575.77

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Solution

The fourth proportional to 12,115,600.47, 18,173,558.07 and 4,028,575.77 is: 6,042,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,600.47 : 18,173,558.07 = 4,028,575.77 : x
  2. Step 2: Convert to fraction form
    12,115,600.47/18,173,558.07 = 4,028,575.77/x
  3. Step 3: Cross multiply
    12,115,600.47x = 18,173,558.07 × 4,028,575.77
  4. Step 4: Simplify right side
    12,115,600.47x = 73,213,555,695,489.97
  5. Step 5: Solve for x
    x = 73,213,555,695,489.97/12,115,600.47
  6. Step 6: Final answer
    x = 6,042,915.98

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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.