Home / 6,128,680.70-8,456,843.43-3,515,048.93

Finding the Fourth Proportional to 6,128,680.70, 8,456,843.43 and 3,515,048.93

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Solution

The fourth proportional to 6,128,680.70, 8,456,843.43 and 3,515,048.93 is: 4,850,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,680.70 : 8,456,843.43 = 3,515,048.93 : x
  2. Step 2: Convert to fraction form
    6,128,680.70/8,456,843.43 = 3,515,048.93/x
  3. Step 3: Cross multiply
    6,128,680.70x = 8,456,843.43 × 3,515,048.93
  4. Step 4: Simplify right side
    6,128,680.70x = 29,726,218,407,514.81
  5. Step 5: Solve for x
    x = 29,726,218,407,514.81/6,128,680.70
  6. Step 6: Final answer
    x = 4,850,345.43

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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.