Home / 13,743,481.49-20,597,288.83-7,677,968.21

Finding the Fourth Proportional to 13,743,481.49, 20,597,288.83 and 7,677,968.21

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Solution

The fourth proportional to 13,743,481.49, 20,597,288.83 and 7,677,968.21 is: 11,506,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,481.49 : 20,597,288.83 = 7,677,968.21 : x
  2. Step 2: Convert to fraction form
    13,743,481.49/20,597,288.83 = 7,677,968.21/x
  3. Step 3: Cross multiply
    13,743,481.49x = 20,597,288.83 × 7,677,968.21
  4. Step 4: Simplify right side
    13,743,481.49x = 158,145,328,726,746.75
  5. Step 5: Solve for x
    x = 158,145,328,726,746.75/13,743,481.49
  6. Step 6: Final answer
    x = 11,506,933.59

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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.