Home / 6,945,476.73-10,418,608.75-2,153,847.21

Finding the Fourth Proportional to 6,945,476.73, 10,418,608.75 and 2,153,847.21

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Solution

The fourth proportional to 6,945,476.73, 10,418,608.75 and 2,153,847.21 is: 3,230,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,476.73 : 10,418,608.75 = 2,153,847.21 : x
  2. Step 2: Convert to fraction form
    6,945,476.73/10,418,608.75 = 2,153,847.21/x
  3. Step 3: Cross multiply
    6,945,476.73x = 10,418,608.75 × 2,153,847.21
  4. Step 4: Simplify right side
    6,945,476.73x = 22,440,091,336,176.04
  5. Step 5: Solve for x
    x = 22,440,091,336,176.04/6,945,476.73
  6. Step 6: Final answer
    x = 3,230,892.89

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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.