Home / 30,235,796.20-45,353,694.30-12,297,773.80

Finding the Fourth Proportional to 30,235,796.20, 45,353,694.30 and 12,297,773.80

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Solution

The fourth proportional to 30,235,796.20, 45,353,694.30 and 12,297,773.80 is: 18,446,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235,796.20 : 45,353,694.30 = 12,297,773.80 : x
  2. Step 2: Convert to fraction form
    30,235,796.20/45,353,694.30 = 12,297,773.80/x
  3. Step 3: Cross multiply
    30,235,796.20x = 45,353,694.30 × 12,297,773.80
  4. Step 4: Simplify right side
    30,235,796.20x = 557,749,473,495,749.31
  5. Step 5: Solve for x
    x = 557,749,473,495,749.31/30,235,796.20
  6. Step 6: Final answer
    x = 18,446,660.70

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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.