Home / 12,162,072.18-16,782,516.93-8,233,837.45

Finding the Fourth Proportional to 12,162,072.18, 16,782,516.93 and 8,233,837.45

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Solution

The fourth proportional to 12,162,072.18, 16,782,516.93 and 8,233,837.45 is: 11,361,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,072.18 : 16,782,516.93 = 8,233,837.45 : x
  2. Step 2: Convert to fraction form
    12,162,072.18/16,782,516.93 = 8,233,837.45/x
  3. Step 3: Cross multiply
    12,162,072.18x = 16,782,516.93 × 8,233,837.45
  4. Step 4: Simplify right side
    12,162,072.18x = 138,184,516,403,493.03
  5. Step 5: Solve for x
    x = 138,184,516,403,493.03/12,162,072.18
  6. Step 6: Final answer
    x = 11,361,922.08

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