Home / 11,139,968.58-15,378,192.84-7,016,059.86

Finding the Fourth Proportional to 11,139,968.58, 15,378,192.84 and 7,016,059.86

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Solution

The fourth proportional to 11,139,968.58, 15,378,192.84 and 7,016,059.86 is: 9,685,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,968.58 : 15,378,192.84 = 7,016,059.86 : x
  2. Step 2: Convert to fraction form
    11,139,968.58/15,378,192.84 = 7,016,059.86/x
  3. Step 3: Cross multiply
    11,139,968.58x = 15,378,192.84 × 7,016,059.86
  4. Step 4: Simplify right side
    11,139,968.58x = 107,894,321,504,063.41
  5. Step 5: Solve for x
    x = 107,894,321,504,063.41/11,139,968.58
  6. Step 6: Final answer
    x = 9,685,334.45

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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.