Home / 10,504,844.40-15,757,266.60-7,422,486.60

Finding the Fourth Proportional to 10,504,844.40, 15,757,266.60 and 7,422,486.60

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Solution

The fourth proportional to 10,504,844.40, 15,757,266.60 and 7,422,486.60 is: 11,133,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504,844.40 : 15,757,266.60 = 7,422,486.60 : x
  2. Step 2: Convert to fraction form
    10,504,844.40/15,757,266.60 = 7,422,486.60/x
  3. Step 3: Cross multiply
    10,504,844.40x = 15,757,266.60 × 7,422,486.60
  4. Step 4: Simplify right side
    10,504,844.40x = 116,958,100,191,127.55
  5. Step 5: Solve for x
    x = 116,958,100,191,127.55/10,504,844.40
  6. Step 6: Final answer
    x = 11,133,729.90

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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.