Home / 12,303,579.67-18,438,042.31-9,413,758.51

Finding the Fourth Proportional to 12,303,579.67, 18,438,042.31 and 9,413,758.51

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Solution

The fourth proportional to 12,303,579.67, 18,438,042.31 and 9,413,758.51 is: 14,107,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,579.67 : 18,438,042.31 = 9,413,758.51 : x
  2. Step 2: Convert to fraction form
    12,303,579.67/18,438,042.31 = 9,413,758.51/x
  3. Step 3: Cross multiply
    12,303,579.67x = 18,438,042.31 × 9,413,758.51
  4. Step 4: Simplify right side
    12,303,579.67x = 173,571,277,750,822.81
  5. Step 5: Solve for x
    x = 173,571,277,750,822.81/12,303,579.67
  6. Step 6: Final answer
    x = 14,107,380.33

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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.