Home / 7,928,083.42-10,942,289.48-5,169,982.48

Finding the Fourth Proportional to 7,928,083.42, 10,942,289.48 and 5,169,982.48

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Solution

The fourth proportional to 7,928,083.42, 10,942,289.48 and 5,169,982.48 is: 7,135,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,083.42 : 10,942,289.48 = 5,169,982.48 : x
  2. Step 2: Convert to fraction form
    7,928,083.42/10,942,289.48 = 5,169,982.48/x
  3. Step 3: Cross multiply
    7,928,083.42x = 10,942,289.48 × 5,169,982.48
  4. Step 4: Simplify right side
    7,928,083.42x = 56,571,444,902,688.32
  5. Step 5: Solve for x
    x = 56,571,444,902,688.32/7,928,083.42
  6. Step 6: Final answer
    x = 7,135,576.39

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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.