Home / 12,453,940.80-18,679,161.60-3,935,138.40

Finding the Fourth Proportional to 12,453,940.80, 18,679,161.60 and 3,935,138.40

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Solution

The fourth proportional to 12,453,940.80, 18,679,161.60 and 3,935,138.40 is: 5,902,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,940.80 : 18,679,161.60 = 3,935,138.40 : x
  2. Step 2: Convert to fraction form
    12,453,940.80/18,679,161.60 = 3,935,138.40/x
  3. Step 3: Cross multiply
    12,453,940.80x = 18,679,161.60 × 3,935,138.40
  4. Step 4: Simplify right side
    12,453,940.80x = 73,505,086,091,965.44
  5. Step 5: Solve for x
    x = 73,505,086,091,965.44/12,453,940.80
  6. Step 6: Final answer
    x = 5,902,154.77

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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.