Home / 7,772,963.64-11,660,939.94-2,980,279.14

Finding the Fourth Proportional to 7,772,963.64, 11,660,939.94 and 2,980,279.14

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Solution

The fourth proportional to 7,772,963.64, 11,660,939.94 and 2,980,279.14 is: 4,470,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,963.64 : 11,660,939.94 = 2,980,279.14 : x
  2. Step 2: Convert to fraction form
    7,772,963.64/11,660,939.94 = 2,980,279.14/x
  3. Step 3: Cross multiply
    7,772,963.64x = 11,660,939.94 × 2,980,279.14
  4. Step 4: Simplify right side
    7,772,963.64x = 34,752,856,055,974.85
  5. Step 5: Solve for x
    x = 34,752,856,055,974.85/7,772,963.64
  6. Step 6: Final answer
    x = 4,470,991.72

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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.