Home / 20,946,501.60-31,348,893.60-18,395,584.80

Finding the Fourth Proportional to 20,946,501.60, 31,348,893.60 and 18,395,584.80

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Solution

The fourth proportional to 20,946,501.60, 31,348,893.60 and 18,395,584.80 is: 27,531,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,501.60 : 31,348,893.60 = 18,395,584.80 : x
  2. Step 2: Convert to fraction form
    20,946,501.60/31,348,893.60 = 18,395,584.80/x
  3. Step 3: Cross multiply
    20,946,501.60x = 31,348,893.60 × 18,395,584.80
  4. Step 4: Simplify right side
    20,946,501.60x = 576,681,230,604,977.38
  5. Step 5: Solve for x
    x = 576,681,230,604,977.38/20,946,501.60
  6. Step 6: Final answer
    x = 27,531,147.76

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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.