Home / 7,220,270.34-9,964,049.46-3,957,013.53

Finding the Fourth Proportional to 7,220,270.34, 9,964,049.46 and 3,957,013.53

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Solution

The fourth proportional to 7,220,270.34, 9,964,049.46 and 3,957,013.53 is: 5,460,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,270.34 : 9,964,049.46 = 3,957,013.53 : x
  2. Step 2: Convert to fraction form
    7,220,270.34/9,964,049.46 = 3,957,013.53/x
  3. Step 3: Cross multiply
    7,220,270.34x = 9,964,049.46 × 3,957,013.53
  4. Step 4: Simplify right side
    7,220,270.34x = 39,427,878,526,809.20
  5. Step 5: Solve for x
    x = 39,427,878,526,809.20/7,220,270.34
  6. Step 6: Final answer
    x = 5,460,720.54

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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.