Home / 13,731,664.20-20,597,496.30-7,685,046.60

Finding the Fourth Proportional to 13,731,664.20, 20,597,496.30 and 7,685,046.60

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Solution

The fourth proportional to 13,731,664.20, 20,597,496.30 and 7,685,046.60 is: 11,527,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,664.20 : 20,597,496.30 = 7,685,046.60 : x
  2. Step 2: Convert to fraction form
    13,731,664.20/20,597,496.30 = 7,685,046.60/x
  3. Step 3: Cross multiply
    13,731,664.20x = 20,597,496.30 × 7,685,046.60
  4. Step 4: Simplify right side
    13,731,664.20x = 158,292,718,908,827.56
  5. Step 5: Solve for x
    x = 158,292,718,908,827.56/13,731,664.20
  6. Step 6: Final answer
    x = 11,527,569.90

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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.