Finding the Fourth Proportional to 14,394,185.76, 19,863,959.52 and 7,867,858.08
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Solution
The fourth proportional to 14,394,185.76, 19,863,959.52 and 7,867,858.08 is: 10,857,634.95
Step by Step Solution
- Step 1: Write the proportion equation
14,394,185.76 : 19,863,959.52 = 7,867,858.08 : x - Step 2: Convert to fraction form
14,394,185.76/19,863,959.52 = 7,867,858.08/x - Step 3: Cross multiply
14,394,185.76x = 19,863,959.52 × 7,867,858.08 - Step 4: Simplify right side
14,394,185.76x = 156,286,814,410,224.91 - Step 5: Solve for x
x = 156,286,814,410,224.91/14,394,185.76 - Step 6: Final answer
x = 10,857,634.95
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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.