Home / 7,856,362.89-11,787,422.99-3,308,556.53

Finding the Fourth Proportional to 7,856,362.89, 11,787,422.99 and 3,308,556.53

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Solution

The fourth proportional to 7,856,362.89, 11,787,422.99 and 3,308,556.53 is: 4,964,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,362.89 : 11,787,422.99 = 3,308,556.53 : x
  2. Step 2: Convert to fraction form
    7,856,362.89/11,787,422.99 = 3,308,556.53/x
  3. Step 3: Cross multiply
    7,856,362.89x = 11,787,422.99 × 3,308,556.53
  4. Step 4: Simplify right side
    7,856,362.89x = 38,999,355,318,362.40
  5. Step 5: Solve for x
    x = 38,999,355,318,362.40/7,856,362.89
  6. Step 6: Final answer
    x = 4,964,047.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.