Home / 7,518,468.57-10,375,496.87-4,080,709.77

Finding the Fourth Proportional to 7,518,468.57, 10,375,496.87 and 4,080,709.77

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Solution

The fourth proportional to 7,518,468.57, 10,375,496.87 and 4,080,709.77 is: 5,631,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,468.57 : 10,375,496.87 = 4,080,709.77 : x
  2. Step 2: Convert to fraction form
    7,518,468.57/10,375,496.87 = 4,080,709.77/x
  3. Step 3: Cross multiply
    7,518,468.57x = 10,375,496.87 × 4,080,709.77
  4. Step 4: Simplify right side
    7,518,468.57x = 42,339,391,425,609.88
  5. Step 5: Solve for x
    x = 42,339,391,425,609.88/7,518,468.57
  6. Step 6: Final answer
    x = 5,631,385.04

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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.