Home / 7,094,321.05-9,790,162.87-3,831,135.51

Finding the Fourth Proportional to 7,094,321.05, 9,790,162.87 and 3,831,135.51

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Solution

The fourth proportional to 7,094,321.05, 9,790,162.87 and 3,831,135.51 is: 5,286,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094,321.05 : 9,790,162.87 = 3,831,135.51 : x
  2. Step 2: Convert to fraction form
    7,094,321.05/9,790,162.87 = 3,831,135.51/x
  3. Step 3: Cross multiply
    7,094,321.05x = 9,790,162.87 × 3,831,135.51
  4. Step 4: Simplify right side
    7,094,321.05x = 37,507,440,619,940.51
  5. Step 5: Solve for x
    x = 37,507,440,619,940.51/7,094,321.05
  6. Step 6: Final answer
    x = 5,286,966.91

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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.