Home / 12,181,222.56-16,802,466.48-7,835,967.84

Finding the Fourth Proportional to 12,181,222.56, 16,802,466.48 and 7,835,967.84

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Solution

The fourth proportional to 12,181,222.56, 16,802,466.48 and 7,835,967.84 is: 10,808,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,222.56 : 16,802,466.48 = 7,835,967.84 : x
  2. Step 2: Convert to fraction form
    12,181,222.56/16,802,466.48 = 7,835,967.84/x
  3. Step 3: Cross multiply
    12,181,222.56x = 16,802,466.48 × 7,835,967.84
  4. Step 4: Simplify right side
    12,181,222.56x = 131,663,586,969,958
  5. Step 5: Solve for x
    x = 131,663,586,969,958/12,181,222.56
  6. Step 6: Final answer
    x = 10,808,733.39

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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.