Home / 13,284,921.60-19,930,881.60-4,764,369.60

Finding the Fourth Proportional to 13,284,921.60, 19,930,881.60 and 4,764,369.60

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Solution

The fourth proportional to 13,284,921.60, 19,930,881.60 and 4,764,369.60 is: 7,147,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,921.60 : 19,930,881.60 = 4,764,369.60 : x
  2. Step 2: Convert to fraction form
    13,284,921.60/19,930,881.60 = 4,764,369.60/x
  3. Step 3: Cross multiply
    13,284,921.60x = 19,930,881.60 × 4,764,369.60
  4. Step 4: Simplify right side
    13,284,921.60x = 94,958,086,396,239.36
  5. Step 5: Solve for x
    x = 94,958,086,396,239.36/13,284,921.60
  6. Step 6: Final answer
    x = 7,147,809.32

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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.