Home / 20,135,415.43-30,190,762.42-7,825,004.85

Finding the Fourth Proportional to 20,135,415.43, 30,190,762.42 and 7,825,004.85

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Solution

The fourth proportional to 20,135,415.43, 30,190,762.42 and 7,825,004.85 is: 11,732,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,415.43 : 30,190,762.42 = 7,825,004.85 : x
  2. Step 2: Convert to fraction form
    20,135,415.43/30,190,762.42 = 7,825,004.85/x
  3. Step 3: Cross multiply
    20,135,415.43x = 30,190,762.42 × 7,825,004.85
  4. Step 4: Simplify right side
    20,135,415.43x = 236,242,862,342,135.22
  5. Step 5: Solve for x
    x = 236,242,862,342,135.22/20,135,415.43
  6. Step 6: Final answer
    x = 11,732,703.66

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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.