Home / 15,259,534.62-21,076,787.43-11,409,131.58

Finding the Fourth Proportional to 15,259,534.62, 21,076,787.43 and 11,409,131.58

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Solution

The fourth proportional to 15,259,534.62, 21,076,787.43 and 11,409,131.58 is: 15,758,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,534.62 : 21,076,787.43 = 11,409,131.58 : x
  2. Step 2: Convert to fraction form
    15,259,534.62/21,076,787.43 = 11,409,131.58/x
  3. Step 3: Cross multiply
    15,259,534.62x = 21,076,787.43 × 11,409,131.58
  4. Step 4: Simplify right side
    15,259,534.62x = 240,467,841,072,560.03
  5. Step 5: Solve for x
    x = 240,467,841,072,560.03/15,259,534.62
  6. Step 6: Final answer
    x = 15,758,530.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.