Home / 12,910,992.30-19,361,962.17-3,810,661.74

Finding the Fourth Proportional to 12,910,992.30, 19,361,962.17 and 3,810,661.74

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Solution

The fourth proportional to 12,910,992.30, 19,361,962.17 and 3,810,661.74 is: 5,714,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,992.30 : 19,361,962.17 = 3,810,661.74 : x
  2. Step 2: Convert to fraction form
    12,910,992.30/19,361,962.17 = 3,810,661.74/x
  3. Step 3: Cross multiply
    12,910,992.30x = 19,361,962.17 × 3,810,661.74
  4. Step 4: Simplify right side
    12,910,992.30x = 73,781,888,452,546.39
  5. Step 5: Solve for x
    x = 73,781,888,452,546.39/12,910,992.30
  6. Step 6: Final answer
    x = 5,714,656.68

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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.