Home / 12,907,194.69-17,811,252.53-7,104,843.12

Finding the Fourth Proportional to 12,907,194.69, 17,811,252.53 and 7,104,843.12

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Solution

The fourth proportional to 12,907,194.69, 17,811,252.53 and 7,104,843.12 is: 9,804,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,194.69 : 17,811,252.53 = 7,104,843.12 : x
  2. Step 2: Convert to fraction form
    12,907,194.69/17,811,252.53 = 7,104,843.12/x
  3. Step 3: Cross multiply
    12,907,194.69x = 17,811,252.53 × 7,104,843.12
  4. Step 4: Simplify right side
    12,907,194.69x = 126,546,154,960,828.88
  5. Step 5: Solve for x
    x = 126,546,154,960,828.88/12,907,194.69
  6. Step 6: Final answer
    x = 9,804,311.32

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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.