Home / 13,337,564.96-18,399,067.80-8,434,529.60

Finding the Fourth Proportional to 13,337,564.96, 18,399,067.80 and 8,434,529.60

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Solution

The fourth proportional to 13,337,564.96, 18,399,067.80 and 8,434,529.60 is: 11,635,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,564.96 : 18,399,067.80 = 8,434,529.60 : x
  2. Step 2: Convert to fraction form
    13,337,564.96/18,399,067.80 = 8,434,529.60/x
  3. Step 3: Cross multiply
    13,337,564.96x = 18,399,067.80 × 8,434,529.60
  4. Step 4: Simplify right side
    13,337,564.96x = 155,187,481,971,506.88
  5. Step 5: Solve for x
    x = 155,187,481,971,506.88/13,337,564.96
  6. Step 6: Final answer
    x = 11,635,368.41

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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.