Home / 10,455,630.96-15,649,698.60-5,399,986.80

Finding the Fourth Proportional to 10,455,630.96, 15,649,698.60 and 5,399,986.80

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Solution

The fourth proportional to 10,455,630.96, 15,649,698.60 and 5,399,986.80 is: 8,082,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,630.96 : 15,649,698.60 = 5,399,986.80 : x
  2. Step 2: Convert to fraction form
    10,455,630.96/15,649,698.60 = 5,399,986.80/x
  3. Step 3: Cross multiply
    10,455,630.96x = 15,649,698.60 × 5,399,986.80
  4. Step 4: Simplify right side
    10,455,630.96x = 84,508,165,863,978.47
  5. Step 5: Solve for x
    x = 84,508,165,863,978.47/10,455,630.96
  6. Step 6: Final answer
    x = 8,082,550.56

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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.