Home / 7,239,055.70-10,856,172.33-2,919,990.44

Finding the Fourth Proportional to 7,239,055.70, 10,856,172.33 and 2,919,990.44

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Solution

The fourth proportional to 7,239,055.70, 10,856,172.33 and 2,919,990.44 is: 4,379,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,055.70 : 10,856,172.33 = 2,919,990.44 : x
  2. Step 2: Convert to fraction form
    7,239,055.70/10,856,172.33 = 2,919,990.44/x
  3. Step 3: Cross multiply
    7,239,055.70x = 10,856,172.33 × 2,919,990.44
  4. Step 4: Simplify right side
    7,239,055.70x = 31,699,919,418,592.52
  5. Step 5: Solve for x
    x = 31,699,919,418,592.52/7,239,055.70
  6. Step 6: Final answer
    x = 4,379,013.06

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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.