Home / 21,967,576.80-32,945,460.30-9,185,436.60

Finding the Fourth Proportional to 21,967,576.80, 32,945,460.30 and 9,185,436.60

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Solution

The fourth proportional to 21,967,576.80, 32,945,460.30 and 9,185,436.60 is: 13,775,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967,576.80 : 32,945,460.30 = 9,185,436.60 : x
  2. Step 2: Convert to fraction form
    21,967,576.80/32,945,460.30 = 9,185,436.60/x
  3. Step 3: Cross multiply
    21,967,576.80x = 32,945,460.30 × 9,185,436.60
  4. Step 4: Simplify right side
    21,967,576.80x = 302,618,436,843,467
  5. Step 5: Solve for x
    x = 302,618,436,843,467/21,967,576.80
  6. Step 6: Final answer
    x = 13,775,685.85

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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.