Home / 7,518,720.25-10,375,556.11-4,080,887.47

Finding the Fourth Proportional to 7,518,720.25, 10,375,556.11 and 4,080,887.47

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Solution

The fourth proportional to 7,518,720.25, 10,375,556.11 and 4,080,887.47 is: 5,631,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,720.25 : 10,375,556.11 = 4,080,887.47 : x
  2. Step 2: Convert to fraction form
    7,518,720.25/10,375,556.11 = 4,080,887.47/x
  3. Step 3: Cross multiply
    7,518,720.25x = 10,375,556.11 × 4,080,887.47
  4. Step 4: Simplify right side
    7,518,720.25x = 42,341,476,887,439.83
  5. Step 5: Solve for x
    x = 42,341,476,887,439.83/7,518,720.25
  6. Step 6: Final answer
    x = 5,631,473.91

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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.