Home / 7,209,893.28-9,948,972.24-4,308,706.56

Finding the Fourth Proportional to 7,209,893.28, 9,948,972.24 and 4,308,706.56

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Solution

The fourth proportional to 7,209,893.28, 9,948,972.24 and 4,308,706.56 is: 5,945,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,893.28 : 9,948,972.24 = 4,308,706.56 : x
  2. Step 2: Convert to fraction form
    7,209,893.28/9,948,972.24 = 4,308,706.56/x
  3. Step 3: Cross multiply
    7,209,893.28x = 9,948,972.24 × 4,308,706.56
  4. Step 4: Simplify right side
    7,209,893.28x = 42,867,201,955,745.89
  5. Step 5: Solve for x
    x = 42,867,201,955,745.89/7,209,893.28
  6. Step 6: Final answer
    x = 5,945,608.39

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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.