Home / 7,085,141.70-9,777,181.05-3,945,567.30

Finding the Fourth Proportional to 7,085,141.70, 9,777,181.05 and 3,945,567.30

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Solution

The fourth proportional to 7,085,141.70, 9,777,181.05 and 3,945,567.30 is: 5,444,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,141.70 : 9,777,181.05 = 3,945,567.30 : x
  2. Step 2: Convert to fraction form
    7,085,141.70/9,777,181.05 = 3,945,567.30/x
  3. Step 3: Cross multiply
    7,085,141.70x = 9,777,181.05 × 3,945,567.30
  4. Step 4: Simplify right side
    7,085,141.70x = 38,576,525,837,059.66
  5. Step 5: Solve for x
    x = 38,576,525,837,059.66/7,085,141.70
  6. Step 6: Final answer
    x = 5,444,707.74

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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.