Home / 13,411,613.37-20,120,419.59-4,891,949.80

Finding the Fourth Proportional to 13,411,613.37, 20,120,419.59 and 4,891,949.80

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Solution

The fourth proportional to 13,411,613.37, 20,120,419.59 and 4,891,949.80 is: 7,339,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,613.37 : 20,120,419.59 = 4,891,949.80 : x
  2. Step 2: Convert to fraction form
    13,411,613.37/20,120,419.59 = 4,891,949.80/x
  3. Step 3: Cross multiply
    13,411,613.37x = 20,120,419.59 × 4,891,949.80
  4. Step 4: Simplify right side
    13,411,613.37x = 98,428,082,589,216.58
  5. Step 5: Solve for x
    x = 98,428,082,589,216.58/13,411,613.37
  6. Step 6: Final answer
    x = 7,339,018.79

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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.