Home / 12,907,189.65-17,811,245.60-7,104,838.08

Finding the Fourth Proportional to 12,907,189.65, 17,811,245.60 and 7,104,838.08

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Solution

The fourth proportional to 12,907,189.65, 17,811,245.60 and 7,104,838.08 is: 9,804,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,189.65 : 17,811,245.60 = 7,104,838.08 : x
  2. Step 2: Convert to fraction form
    12,907,189.65/17,811,245.60 = 7,104,838.08/x
  3. Step 3: Cross multiply
    12,907,189.65x = 17,811,245.60 × 7,104,838.08
  4. Step 4: Simplify right side
    12,907,189.65x = 126,546,015,991,112.45
  5. Step 5: Solve for x
    x = 126,546,015,991,112.45/12,907,189.65
  6. Step 6: Final answer
    x = 9,804,304.38

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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.