Home / 7,245,632.20-10,856,006.70-3,828,857.80

Finding the Fourth Proportional to 7,245,632.20, 10,856,006.70 and 3,828,857.80

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Solution

The fourth proportional to 7,245,632.20, 10,856,006.70 and 3,828,857.80 is: 5,736,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,632.20 : 10,856,006.70 = 3,828,857.80 : x
  2. Step 2: Convert to fraction form
    7,245,632.20/10,856,006.70 = 3,828,857.80/x
  3. Step 3: Cross multiply
    7,245,632.20x = 10,856,006.70 × 3,828,857.80
  4. Step 4: Simplify right side
    7,245,632.20x = 41,566,105,930,147.26
  5. Step 5: Solve for x
    x = 41,566,105,930,147.26/7,245,632.20
  6. Step 6: Final answer
    x = 5,736,712.10

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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.