Home / 30,332,212.60-45,498,318.90-28,777,747.68

Finding the Fourth Proportional to 30,332,212.60, 45,498,318.90 and 28,777,747.68

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Solution

The fourth proportional to 30,332,212.60, 45,498,318.90 and 28,777,747.68 is: 43,166,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332,212.60 : 45,498,318.90 = 28,777,747.68 : x
  2. Step 2: Convert to fraction form
    30,332,212.60/45,498,318.90 = 28,777,747.68/x
  3. Step 3: Cross multiply
    30,332,212.60x = 45,498,318.90 × 28,777,747.68
  4. Step 4: Simplify right side
    30,332,212.60x = 1,309,339,141,168,375
  5. Step 5: Solve for x
    x = 1,309,339,141,168,375/30,332,212.60
  6. Step 6: Final answer
    x = 43,166,621.52

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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.