Home / 6,680,657.62-10,008,090.42-3,987,133.84

Finding the Fourth Proportional to 6,680,657.62, 10,008,090.42 and 3,987,133.84

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Solution

The fourth proportional to 6,680,657.62, 10,008,090.42 and 3,987,133.84 is: 5,973,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680,657.62 : 10,008,090.42 = 3,987,133.84 : x
  2. Step 2: Convert to fraction form
    6,680,657.62/10,008,090.42 = 3,987,133.84/x
  3. Step 3: Cross multiply
    6,680,657.62x = 10,008,090.42 × 3,987,133.84
  4. Step 4: Simplify right side
    6,680,657.62x = 39,903,595,987,361.81
  5. Step 5: Solve for x
    x = 39,903,595,987,361.81/6,680,657.62
  6. Step 6: Final answer
    x = 5,973,004.19

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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.