Home / 7,338,279.20-11,007,418.80-1,946,919.20

Finding the Fourth Proportional to 7,338,279.20, 11,007,418.80 and 1,946,919.20

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Solution

The fourth proportional to 7,338,279.20, 11,007,418.80 and 1,946,919.20 is: 2,920,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,279.20 : 11,007,418.80 = 1,946,919.20 : x
  2. Step 2: Convert to fraction form
    7,338,279.20/11,007,418.80 = 1,946,919.20/x
  3. Step 3: Cross multiply
    7,338,279.20x = 11,007,418.80 × 1,946,919.20
  4. Step 4: Simplify right side
    7,338,279.20x = 21,430,555,004,160.96
  5. Step 5: Solve for x
    x = 21,430,555,004,160.96/7,338,279.20
  6. Step 6: Final answer
    x = 2,920,378.80

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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.