Home / 7,815,713.72-10,786,028.72-4,331,042.68

Finding the Fourth Proportional to 7,815,713.72, 10,786,028.72 and 4,331,042.68

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Solution

The fourth proportional to 7,815,713.72, 10,786,028.72 and 4,331,042.68 is: 5,977,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,713.72 : 10,786,028.72 = 4,331,042.68 : x
  2. Step 2: Convert to fraction form
    7,815,713.72/10,786,028.72 = 4,331,042.68/x
  3. Step 3: Cross multiply
    7,815,713.72x = 10,786,028.72 × 4,331,042.68
  4. Step 4: Simplify right side
    7,815,713.72x = 46,714,750,734,025.77
  5. Step 5: Solve for x
    x = 46,714,750,734,025.77/7,815,713.72
  6. Step 6: Final answer
    x = 5,977,029.41

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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.