Home / 34,511,609.35-47,643,278.32-21,463,072.50

Finding the Fourth Proportional to 34,511,609.35, 47,643,278.32 and 21,463,072.50

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Solution

The fourth proportional to 34,511,609.35, 47,643,278.32 and 21,463,072.50 is: 29,629,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511,609.35 : 47,643,278.32 = 21,463,072.50 : x
  2. Step 2: Convert to fraction form
    34,511,609.35/47,643,278.32 = 21,463,072.50/x
  3. Step 3: Cross multiply
    34,511,609.35x = 47,643,278.32 × 21,463,072.50
  4. Step 4: Simplify right side
    34,511,609.35x = 1,022,571,136,925,286.50
  5. Step 5: Solve for x
    x = 1,022,571,136,925,286.50/34,511,609.35
  6. Step 6: Final answer
    x = 29,629,772.59

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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.