Home / 30,332,213.60-45,498,320.40-28,777,748.68

Finding the Fourth Proportional to 30,332,213.60, 45,498,320.40 and 28,777,748.68

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Solution

The fourth proportional to 30,332,213.60, 45,498,320.40 and 28,777,748.68 is: 43,166,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332,213.60 : 45,498,320.40 = 28,777,748.68 : x
  2. Step 2: Convert to fraction form
    30,332,213.60/45,498,320.40 = 28,777,748.68/x
  3. Step 3: Cross multiply
    30,332,213.60x = 45,498,320.40 × 28,777,748.68
  4. Step 4: Simplify right side
    30,332,213.60x = 1,309,339,229,833,317
  5. Step 5: Solve for x
    x = 1,309,339,229,833,317/30,332,213.60
  6. Step 6: Final answer
    x = 43,166,623.02

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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.