Home / 5,628,115.32-8,401,420.38-4,947,112.68

Finding the Fourth Proportional to 5,628,115.32, 8,401,420.38 and 4,947,112.68

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Solution

The fourth proportional to 5,628,115.32, 8,401,420.38 and 4,947,112.68 is: 7,384,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628,115.32 : 8,401,420.38 = 4,947,112.68 : x
  2. Step 2: Convert to fraction form
    5,628,115.32/8,401,420.38 = 4,947,112.68/x
  3. Step 3: Cross multiply
    5,628,115.32x = 8,401,420.38 × 4,947,112.68
  4. Step 4: Simplify right side
    5,628,115.32x = 41,562,773,291,908.42
  5. Step 5: Solve for x
    x = 41,562,773,291,908.42/5,628,115.32
  6. Step 6: Final answer
    x = 7,384,847.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.