Home / 7,135,038.22-9,846,379.51-3,871,853.62

Finding the Fourth Proportional to 7,135,038.22, 9,846,379.51 and 3,871,853.62

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Solution

The fourth proportional to 7,135,038.22, 9,846,379.51 and 3,871,853.62 is: 5,343,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,038.22 : 9,846,379.51 = 3,871,853.62 : x
  2. Step 2: Convert to fraction form
    7,135,038.22/9,846,379.51 = 3,871,853.62/x
  3. Step 3: Cross multiply
    7,135,038.22x = 9,846,379.51 × 3,871,853.62
  4. Step 4: Simplify right side
    7,135,038.22x = 38,123,740,149,687.33
  5. Step 5: Solve for x
    x = 38,123,740,149,687.33/7,135,038.22
  6. Step 6: Final answer
    x = 5,343,172.52

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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.