Home / 8,420,316.25-11,619,559.32-4,749,013.39

Finding the Fourth Proportional to 8,420,316.25, 11,619,559.32 and 4,749,013.39

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Solution

The fourth proportional to 8,420,316.25, 11,619,559.32 and 4,749,013.39 is: 6,553,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,316.25 : 11,619,559.32 = 4,749,013.39 : x
  2. Step 2: Convert to fraction form
    8,420,316.25/11,619,559.32 = 4,749,013.39/x
  3. Step 3: Cross multiply
    8,420,316.25x = 11,619,559.32 × 4,749,013.39
  4. Step 4: Simplify right side
    8,420,316.25x = 55,181,442,738,481.50
  5. Step 5: Solve for x
    x = 55,181,442,738,481.50/8,420,316.25
  6. Step 6: Final answer
    x = 6,553,369.39

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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.