Home / 7,819,004.53-10,778,265.34-5,489,361.55

Finding the Fourth Proportional to 7,819,004.53, 10,778,265.34 and 5,489,361.55

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Solution

The fourth proportional to 7,819,004.53, 10,778,265.34 and 5,489,361.55 is: 7,566,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,004.53 : 10,778,265.34 = 5,489,361.55 : x
  2. Step 2: Convert to fraction form
    7,819,004.53/10,778,265.34 = 5,489,361.55/x
  3. Step 3: Cross multiply
    7,819,004.53x = 10,778,265.34 × 5,489,361.55
  4. Step 4: Simplify right side
    7,819,004.53x = 59,165,795,333,093.67
  5. Step 5: Solve for x
    x = 59,165,795,333,093.67/7,819,004.53
  6. Step 6: Final answer
    x = 7,566,921.74

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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.