Home / 13,910,972.10-20,856,738.15-8,228,271.30

Finding the Fourth Proportional to 13,910,972.10, 20,856,738.15 and 8,228,271.30

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Solution

The fourth proportional to 13,910,972.10, 20,856,738.15 and 8,228,271.30 is: 12,336,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,972.10 : 20,856,738.15 = 8,228,271.30 : x
  2. Step 2: Convert to fraction form
    13,910,972.10/20,856,738.15 = 8,228,271.30/x
  3. Step 3: Cross multiply
    13,910,972.10x = 20,856,738.15 × 8,228,271.30
  4. Step 4: Simplify right side
    13,910,972.10x = 171,614,899,931,260.09
  5. Step 5: Solve for x
    x = 171,614,899,931,260.09/13,910,972.10
  6. Step 6: Final answer
    x = 12,336,657.62

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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.