Home / 28,090,051-42,135,076.56-6,814,915

Finding the Fourth Proportional to 28,090,051, 42,135,076.56 and 6,814,915

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Solution

The fourth proportional to 28,090,051, 42,135,076.56 and 6,814,915 is: 10,222,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,051 : 42,135,076.56 = 6,814,915 : x
  2. Step 2: Convert to fraction form
    28,090,051/42,135,076.56 = 6,814,915/x
  3. Step 3: Cross multiply
    28,090,051x = 42,135,076.56 × 6,814,915
  4. Step 4: Simplify right side
    28,090,051x = 287,146,965,274,892.44
  5. Step 5: Solve for x
    x = 287,146,965,274,892.44/28,090,051
  6. Step 6: Final answer
    x = 10,222,372.51

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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.