Home / 12,549,910.75-18,832,829.55-5,361,498.73

Finding the Fourth Proportional to 12,549,910.75, 18,832,829.55 and 5,361,498.73

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Solution

The fourth proportional to 12,549,910.75, 18,832,829.55 and 5,361,498.73 is: 8,045,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,910.75 : 18,832,829.55 = 5,361,498.73 : x
  2. Step 2: Convert to fraction form
    12,549,910.75/18,832,829.55 = 5,361,498.73/x
  3. Step 3: Cross multiply
    12,549,910.75x = 18,832,829.55 × 5,361,498.73
  4. Step 4: Simplify right side
    12,549,910.75x = 100,972,191,714,631.48
  5. Step 5: Solve for x
    x = 100,972,191,714,631.48/12,549,910.75
  6. Step 6: Final answer
    x = 8,045,650.18

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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.