Home / 7,187,028.74-10,763,356.85-4,145,172.54

Finding the Fourth Proportional to 7,187,028.74, 10,763,356.85 and 4,145,172.54

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Solution

The fourth proportional to 7,187,028.74, 10,763,356.85 and 4,145,172.54 is: 6,207,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,028.74 : 10,763,356.85 = 4,145,172.54 : x
  2. Step 2: Convert to fraction form
    7,187,028.74/10,763,356.85 = 4,145,172.54/x
  3. Step 3: Cross multiply
    7,187,028.74x = 10,763,356.85 × 4,145,172.54
  4. Step 4: Simplify right side
    7,187,028.74x = 44,615,971,232,115.04
  5. Step 5: Solve for x
    x = 44,615,971,232,115.04/7,187,028.74
  6. Step 6: Final answer
    x = 6,207,846.50

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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.