Home / 9,215,579.92-12,717,805.75-5,029,494.03

Finding the Fourth Proportional to 9,215,579.92, 12,717,805.75 and 5,029,494.03

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Solution

The fourth proportional to 9,215,579.92, 12,717,805.75 and 5,029,494.03 is: 6,940,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,579.92 : 12,717,805.75 = 5,029,494.03 : x
  2. Step 2: Convert to fraction form
    9,215,579.92/12,717,805.75 = 5,029,494.03/x
  3. Step 3: Cross multiply
    9,215,579.92x = 12,717,805.75 × 5,029,494.03
  4. Step 4: Simplify right side
    9,215,579.92x = 63,964,128,131,458.81
  5. Step 5: Solve for x
    x = 63,964,128,131,458.81/9,215,579.92
  6. Step 6: Final answer
    x = 6,940,868.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.