Home / 7,721,743.78-11,583,599.82-2,930,803.16

Finding the Fourth Proportional to 7,721,743.78, 11,583,599.82 and 2,930,803.16

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Solution

The fourth proportional to 7,721,743.78, 11,583,599.82 and 2,930,803.16 is: 4,396,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,743.78 : 11,583,599.82 = 2,930,803.16 : x
  2. Step 2: Convert to fraction form
    7,721,743.78/11,583,599.82 = 2,930,803.16/x
  3. Step 3: Cross multiply
    7,721,743.78x = 11,583,599.82 × 2,930,803.16
  4. Step 4: Simplify right side
    7,721,743.78x = 33,949,250,985,590.43
  5. Step 5: Solve for x
    x = 33,949,250,985,590.43/7,721,743.78
  6. Step 6: Final answer
    x = 4,396,578.28

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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.