Home / 15,364,508-21,203,871.24-8,488,842.32

Finding the Fourth Proportional to 15,364,508, 21,203,871.24 and 8,488,842.32

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Solution

The fourth proportional to 15,364,508, 21,203,871.24 and 8,488,842.32 is: 11,715,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364,508 : 21,203,871.24 = 8,488,842.32 : x
  2. Step 2: Convert to fraction form
    15,364,508/21,203,871.24 = 8,488,842.32/x
  3. Step 3: Cross multiply
    15,364,508x = 21,203,871.24 × 8,488,842.32
  4. Step 4: Simplify right side
    15,364,508x = 179,996,319,529,942.88
  5. Step 5: Solve for x
    x = 179,996,319,529,942.88/15,364,508
  6. Step 6: Final answer
    x = 11,715,072.13

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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.