Home / 15,296,101.68-21,103,857.24-8,679,594.48

Finding the Fourth Proportional to 15,296,101.68, 21,103,857.24 and 8,679,594.48

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Solution

The fourth proportional to 15,296,101.68, 21,103,857.24 and 8,679,594.48 is: 11,975,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296,101.68 : 21,103,857.24 = 8,679,594.48 : x
  2. Step 2: Convert to fraction form
    15,296,101.68/21,103,857.24 = 8,679,594.48/x
  3. Step 3: Cross multiply
    15,296,101.68x = 21,103,857.24 × 8,679,594.48
  4. Step 4: Simplify right side
    15,296,101.68x = 183,172,922,807,012.03
  5. Step 5: Solve for x
    x = 183,172,922,807,012.03/15,296,101.68
  6. Step 6: Final answer
    x = 11,975,137.63

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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.