Home / 21,075,995.97-29,084,495.31-11,908,441.89

Finding the Fourth Proportional to 21,075,995.97, 29,084,495.31 and 11,908,441.89

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Solution

The fourth proportional to 21,075,995.97, 29,084,495.31 and 11,908,441.89 is: 16,433,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075,995.97 : 29,084,495.31 = 11,908,441.89 : x
  2. Step 2: Convert to fraction form
    21,075,995.97/29,084,495.31 = 11,908,441.89/x
  3. Step 3: Cross multiply
    21,075,995.97x = 29,084,495.31 × 11,908,441.89
  4. Step 4: Simplify right side
    21,075,995.97x = 346,351,022,299,112.56
  5. Step 5: Solve for x
    x = 346,351,022,299,112.56/21,075,995.97
  6. Step 6: Final answer
    x = 16,433,435.59

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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.