Home / 13,176,218.73-18,183,003.41-7,374,998.93

Finding the Fourth Proportional to 13,176,218.73, 18,183,003.41 and 7,374,998.93

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Solution

The fourth proportional to 13,176,218.73, 18,183,003.41 and 7,374,998.93 is: 10,177,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,218.73 : 18,183,003.41 = 7,374,998.93 : x
  2. Step 2: Convert to fraction form
    13,176,218.73/18,183,003.41 = 7,374,998.93/x
  3. Step 3: Cross multiply
    13,176,218.73x = 18,183,003.41 × 7,374,998.93
  4. Step 4: Simplify right side
    13,176,218.73x = 134,099,630,692,936.34
  5. Step 5: Solve for x
    x = 134,099,630,692,936.34/13,176,218.73
  6. Step 6: Final answer
    x = 10,177,398.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.