Home / 13,146,786.20-19,809,915.73-10,803,131.39

Finding the Fourth Proportional to 13,146,786.20, 19,809,915.73 and 10,803,131.39

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Solution

The fourth proportional to 13,146,786.20, 19,809,915.73 and 10,803,131.39 is: 16,278,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,786.20 : 19,809,915.73 = 10,803,131.39 : x
  2. Step 2: Convert to fraction form
    13,146,786.20/19,809,915.73 = 10,803,131.39/x
  3. Step 3: Cross multiply
    13,146,786.20x = 19,809,915.73 × 10,803,131.39
  4. Step 4: Simplify right side
    13,146,786.20x = 214,009,122,501,318.53
  5. Step 5: Solve for x
    x = 214,009,122,501,318.53/13,146,786.20
  6. Step 6: Final answer
    x = 16,278,436.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.