Home / 8,420,317.25-11,619,560.70-4,749,014.39

Finding the Fourth Proportional to 8,420,317.25, 11,619,560.70 and 4,749,014.39

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Solution

The fourth proportional to 8,420,317.25, 11,619,560.70 and 4,749,014.39 is: 6,553,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,317.25 : 11,619,560.70 = 4,749,014.39 : x
  2. Step 2: Convert to fraction form
    8,420,317.25/11,619,560.70 = 4,749,014.39/x
  3. Step 3: Cross multiply
    8,420,317.25x = 11,619,560.70 × 4,749,014.39
  4. Step 4: Simplify right side
    8,420,317.25x = 55,181,460,969,778.47
  5. Step 5: Solve for x
    x = 55,181,460,969,778.47/8,420,317.25
  6. Step 6: Final answer
    x = 6,553,370.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.