Home / 5,107,676.16-7,048,647.63-2,815,918.86

Finding the Fourth Proportional to 5,107,676.16, 7,048,647.63 and 2,815,918.86

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Solution

The fourth proportional to 5,107,676.16, 7,048,647.63 and 2,815,918.86 is: 3,885,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,676.16 : 7,048,647.63 = 2,815,918.86 : x
  2. Step 2: Convert to fraction form
    5,107,676.16/7,048,647.63 = 2,815,918.86/x
  3. Step 3: Cross multiply
    5,107,676.16x = 7,048,647.63 × 2,815,918.86
  4. Step 4: Simplify right side
    5,107,676.16x = 19,848,419,798,811.30
  5. Step 5: Solve for x
    x = 19,848,419,798,811.30/5,107,676.16
  6. Step 6: Final answer
    x = 3,885,998.09

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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.