Home / 6,939,369-9,581,380.38-5,570,243.82

Finding the Fourth Proportional to 6,939,369, 9,581,380.38 and 5,570,243.82

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Solution

The fourth proportional to 6,939,369, 9,581,380.38 and 5,570,243.82 is: 7,690,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,369 : 9,581,380.38 = 5,570,243.82 : x
  2. Step 2: Convert to fraction form
    6,939,369/9,581,380.38 = 5,570,243.82/x
  3. Step 3: Cross multiply
    6,939,369x = 9,581,380.38 × 5,570,243.82
  4. Step 4: Simplify right side
    6,939,369x = 53,370,624,848,764.26
  5. Step 5: Solve for x
    x = 53,370,624,848,764.26/6,939,369
  6. Step 6: Final answer
    x = 7,690,991.05

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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.