Home / 20,692,835.49-28,556,120.75-11,996,049.63

Finding the Fourth Proportional to 20,692,835.49, 28,556,120.75 and 11,996,049.63

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Solution

The fourth proportional to 20,692,835.49, 28,556,120.75 and 11,996,049.63 is: 16,554,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,835.49 : 28,556,120.75 = 11,996,049.63 : x
  2. Step 2: Convert to fraction form
    20,692,835.49/28,556,120.75 = 11,996,049.63/x
  3. Step 3: Cross multiply
    20,692,835.49x = 28,556,120.75 × 11,996,049.63
  4. Step 4: Simplify right side
    20,692,835.49x = 342,560,641,757,272.88
  5. Step 5: Solve for x
    x = 342,560,641,757,272.88/20,692,835.49
  6. Step 6: Final answer
    x = 16,554,553.00

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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.