Home / 5,148,065.10-7,107,657.78-3,190,020.92

Finding the Fourth Proportional to 5,148,065.10, 7,107,657.78 and 3,190,020.92

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Solution

The fourth proportional to 5,148,065.10, 7,107,657.78 and 3,190,020.92 is: 4,404,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,065.10 : 7,107,657.78 = 3,190,020.92 : x
  2. Step 2: Convert to fraction form
    5,148,065.10/7,107,657.78 = 3,190,020.92/x
  3. Step 3: Cross multiply
    5,148,065.10x = 7,107,657.78 × 3,190,020.92
  4. Step 4: Simplify right side
    5,148,065.10x = 22,673,576,958,912.37
  5. Step 5: Solve for x
    x = 22,673,576,958,912.37/5,148,065.10
  6. Step 6: Final answer
    x = 4,404,291.03

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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.