Home / 20,144,745.60-30,152,820.60-15,893,217.60

Finding the Fourth Proportional to 20,144,745.60, 30,152,820.60 and 15,893,217.60

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Solution

The fourth proportional to 20,144,745.60, 30,152,820.60 and 15,893,217.60 is: 23,789,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,745.60 : 30,152,820.60 = 15,893,217.60 : x
  2. Step 2: Convert to fraction form
    20,144,745.60/30,152,820.60 = 15,893,217.60/x
  3. Step 3: Cross multiply
    20,144,745.60x = 30,152,820.60 × 15,893,217.60
  4. Step 4: Simplify right side
    20,144,745.60x = 479,225,339,049,562.56
  5. Step 5: Solve for x
    x = 479,225,339,049,562.56/20,144,745.60
  6. Step 6: Final answer
    x = 23,789,098.59

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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.