Home / 8,470,856.80-12,701,619.60-3,416,456.80

Finding the Fourth Proportional to 8,470,856.80, 12,701,619.60 and 3,416,456.80

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Solution

The fourth proportional to 8,470,856.80, 12,701,619.60 and 3,416,456.80 is: 5,122,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,856.80 : 12,701,619.60 = 3,416,456.80 : x
  2. Step 2: Convert to fraction form
    8,470,856.80/12,701,619.60 = 3,416,456.80/x
  3. Step 3: Cross multiply
    8,470,856.80x = 12,701,619.60 × 3,416,456.80
  4. Step 4: Simplify right side
    8,470,856.80x = 43,394,534,653,433.27
  5. Step 5: Solve for x
    x = 43,394,534,653,433.27/8,470,856.80
  6. Step 6: Final answer
    x = 5,122,803.48

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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.