Home / 9,181,829.20-13,772,743.80-8,363,016.40

Finding the Fourth Proportional to 9,181,829.20, 13,772,743.80 and 8,363,016.40

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Solution

The fourth proportional to 9,181,829.20, 13,772,743.80 and 8,363,016.40 is: 12,544,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,829.20 : 13,772,743.80 = 8,363,016.40 : x
  2. Step 2: Convert to fraction form
    9,181,829.20/13,772,743.80 = 8,363,016.40/x
  3. Step 3: Cross multiply
    9,181,829.20x = 13,772,743.80 × 8,363,016.40
  4. Step 4: Simplify right side
    9,181,829.20x = 115,181,682,272,398.33
  5. Step 5: Solve for x
    x = 115,181,682,272,398.33/9,181,829.20
  6. Step 6: Final answer
    x = 12,544,524.60

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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.