Home / 39,003,775.20-58,505,662.80-18,848,383.20

Finding the Fourth Proportional to 39,003,775.20, 58,505,662.80 and 18,848,383.20

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Solution

The fourth proportional to 39,003,775.20, 58,505,662.80 and 18,848,383.20 is: 28,272,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003,775.20 : 58,505,662.80 = 18,848,383.20 : x
  2. Step 2: Convert to fraction form
    39,003,775.20/58,505,662.80 = 18,848,383.20/x
  3. Step 3: Cross multiply
    39,003,775.20x = 58,505,662.80 × 18,848,383.20
  4. Step 4: Simplify right side
    39,003,775.20x = 1,102,737,151,824,384.88
  5. Step 5: Solve for x
    x = 1,102,737,151,824,384.88/39,003,775.20
  6. Step 6: Final answer
    x = 28,272,574.80

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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.