Home / 28,735,055.60-43,123,578.60-20,231,999.60

Finding the Fourth Proportional to 28,735,055.60, 43,123,578.60 and 20,231,999.60

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Solution

The fourth proportional to 28,735,055.60, 43,123,578.60 and 20,231,999.60 is: 30,362,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,055.60 : 43,123,578.60 = 20,231,999.60 : x
  2. Step 2: Convert to fraction form
    28,735,055.60/43,123,578.60 = 20,231,999.60/x
  3. Step 3: Cross multiply
    28,735,055.60x = 43,123,578.60 × 20,231,999.60
  4. Step 4: Simplify right side
    28,735,055.60x = 872,476,224,985,768.62
  5. Step 5: Solve for x
    x = 872,476,224,985,768.62/28,735,055.60
  6. Step 6: Final answer
    x = 30,362,781.86

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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.