Home / 40,970,620.20-61,455,930.30-28,056,603.90

Finding the Fourth Proportional to 40,970,620.20, 61,455,930.30 and 28,056,603.90

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Solution

The fourth proportional to 40,970,620.20, 61,455,930.30 and 28,056,603.90 is: 42,084,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970,620.20 : 61,455,930.30 = 28,056,603.90 : x
  2. Step 2: Convert to fraction form
    40,970,620.20/61,455,930.30 = 28,056,603.90/x
  3. Step 3: Cross multiply
    40,970,620.20x = 61,455,930.30 × 28,056,603.90
  4. Step 4: Simplify right side
    40,970,620.20x = 1,724,244,693,733,108
  5. Step 5: Solve for x
    x = 1,724,244,693,733,108/40,970,620.20
  6. Step 6: Final answer
    x = 42,084,905.85

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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.