Home / 7,518,720.30-10,375,556.17-4,080,887.52

Finding the Fourth Proportional to 7,518,720.30, 10,375,556.17 and 4,080,887.52

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Solution

The fourth proportional to 7,518,720.30, 10,375,556.17 and 4,080,887.52 is: 5,631,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,720.30 : 10,375,556.17 = 4,080,887.52 : x
  2. Step 2: Convert to fraction form
    7,518,720.30/10,375,556.17 = 4,080,887.52/x
  3. Step 3: Cross multiply
    7,518,720.30x = 10,375,556.17 × 4,080,887.52
  4. Step 4: Simplify right side
    7,518,720.30x = 42,341,477,653,404.77
  5. Step 5: Solve for x
    x = 42,341,477,653,404.77/7,518,720.30
  6. Step 6: Final answer
    x = 5,631,473.97

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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.