Home / 10,311,344.20-15,446,021.10-5,265,497.80

Finding the Fourth Proportional to 10,311,344.20, 15,446,021.10 and 5,265,497.80

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Solution

The fourth proportional to 10,311,344.20, 15,446,021.10 and 5,265,497.80 is: 7,887,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311,344.20 : 15,446,021.10 = 5,265,497.80 : x
  2. Step 2: Convert to fraction form
    10,311,344.20/15,446,021.10 = 5,265,497.80/x
  3. Step 3: Cross multiply
    10,311,344.20x = 15,446,021.10 × 5,265,497.80
  4. Step 4: Simplify right side
    10,311,344.20x = 81,330,990,120,803.58
  5. Step 5: Solve for x
    x = 81,330,990,120,803.58/10,311,344.20
  6. Step 6: Final answer
    x = 7,887,525.48

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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.