Home / 7,166,087.36-9,889,481.76-4,068,900.80

Finding the Fourth Proportional to 7,166,087.36, 9,889,481.76 and 4,068,900.80

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Solution

The fourth proportional to 7,166,087.36, 9,889,481.76 and 4,068,900.80 is: 5,615,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,087.36 : 9,889,481.76 = 4,068,900.80 : x
  2. Step 2: Convert to fraction form
    7,166,087.36/9,889,481.76 = 4,068,900.80/x
  3. Step 3: Cross multiply
    7,166,087.36x = 9,889,481.76 × 4,068,900.80
  4. Step 4: Simplify right side
    7,166,087.36x = 40,239,320,244,849.41
  5. Step 5: Solve for x
    x = 40,239,320,244,849.41/7,166,087.36
  6. Step 6: Final answer
    x = 5,615,242.77

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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.