Home / 13,774,362.39-20,633,083.43-8,077,431.51

Finding the Fourth Proportional to 13,774,362.39, 20,633,083.43 and 8,077,431.51

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Solution

The fourth proportional to 13,774,362.39, 20,633,083.43 and 8,077,431.51 is: 12,099,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,362.39 : 20,633,083.43 = 8,077,431.51 : x
  2. Step 2: Convert to fraction form
    13,774,362.39/20,633,083.43 = 8,077,431.51/x
  3. Step 3: Cross multiply
    13,774,362.39x = 20,633,083.43 × 8,077,431.51
  4. Step 4: Simplify right side
    13,774,362.39x = 166,662,318,205,553.72
  5. Step 5: Solve for x
    x = 166,662,318,205,553.72/13,774,362.39
  6. Step 6: Final answer
    x = 12,099,457.93

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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.