Home / 13,407,234.32-20,108,255.16-5,209,861.52

Finding the Fourth Proportional to 13,407,234.32, 20,108,255.16 and 5,209,861.52

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Solution

The fourth proportional to 13,407,234.32, 20,108,255.16 and 5,209,861.52 is: 7,813,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,234.32 : 20,108,255.16 = 5,209,861.52 : x
  2. Step 2: Convert to fraction form
    13,407,234.32/20,108,255.16 = 5,209,861.52/x
  3. Step 3: Cross multiply
    13,407,234.32x = 20,108,255.16 × 5,209,861.52
  4. Step 4: Simplify right side
    13,407,234.32x = 104,761,224,792,425.44
  5. Step 5: Solve for x
    x = 104,761,224,792,425.44/13,407,234.32
  6. Step 6: Final answer
    x = 7,813,783.39

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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.