Home / 10,320,814.31-15,481,270.90-3,132,410.48

Finding the Fourth Proportional to 10,320,814.31, 15,481,270.90 and 3,132,410.48

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Solution

The fourth proportional to 10,320,814.31, 15,481,270.90 and 3,132,410.48 is: 4,698,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320,814.31 : 15,481,270.90 = 3,132,410.48 : x
  2. Step 2: Convert to fraction form
    10,320,814.31/15,481,270.90 = 3,132,410.48/x
  3. Step 3: Cross multiply
    10,320,814.31x = 15,481,270.90 × 3,132,410.48
  4. Step 4: Simplify right side
    10,320,814.31x = 48,493,695,282,525.10
  5. Step 5: Solve for x
    x = 48,493,695,282,525.10/10,320,814.31
  6. Step 6: Final answer
    x = 4,698,630.73

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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.