Home / 7,772,963.69-11,660,939.98-2,980,279.17

Finding the Fourth Proportional to 7,772,963.69, 11,660,939.98 and 2,980,279.17

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Solution

The fourth proportional to 7,772,963.69, 11,660,939.98 and 2,980,279.17 is: 4,470,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,963.69 : 11,660,939.98 = 2,980,279.17 : x
  2. Step 2: Convert to fraction form
    7,772,963.69/11,660,939.98 = 2,980,279.17/x
  3. Step 3: Cross multiply
    7,772,963.69x = 11,660,939.98 × 2,980,279.17
  4. Step 4: Simplify right side
    7,772,963.69x = 34,752,856,517,563.52
  5. Step 5: Solve for x
    x = 34,752,856,517,563.52/7,772,963.69
  6. Step 6: Final answer
    x = 4,470,991.75

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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.