Home / 7,390,914.40-11,084,816.40-3,131,221.60

Finding the Fourth Proportional to 7,390,914.40, 11,084,816.40 and 3,131,221.60

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Solution

The fourth proportional to 7,390,914.40, 11,084,816.40 and 3,131,221.60 is: 4,696,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,914.40 : 11,084,816.40 = 3,131,221.60 : x
  2. Step 2: Convert to fraction form
    7,390,914.40/11,084,816.40 = 3,131,221.60/x
  3. Step 3: Cross multiply
    7,390,914.40x = 11,084,816.40 × 3,131,221.60
  4. Step 4: Simplify right side
    7,390,914.40x = 34,709,016,543,714.24
  5. Step 5: Solve for x
    x = 34,709,016,543,714.24/7,390,914.40
  6. Step 6: Final answer
    x = 4,696,173.53

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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.