Home / 15,452,905.20-23,182,468.20-12,945,922.80

Finding the Fourth Proportional to 15,452,905.20, 23,182,468.20 and 12,945,922.80

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Solution

The fourth proportional to 15,452,905.20, 23,182,468.20 and 12,945,922.80 is: 19,421,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,905.20 : 23,182,468.20 = 12,945,922.80 : x
  2. Step 2: Convert to fraction form
    15,452,905.20/23,182,468.20 = 12,945,922.80/x
  3. Step 3: Cross multiply
    15,452,905.20x = 23,182,468.20 × 12,945,922.80
  4. Step 4: Simplify right side
    15,452,905.20x = 300,118,443,630,654.94
  5. Step 5: Solve for x
    x = 300,118,443,630,654.94/15,452,905.20
  6. Step 6: Final answer
    x = 19,421,489.99

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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.