Finding the Fourth Proportional to 11,415,220.25, 17,100,016.11 and 6,863,776.79
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Solution
The fourth proportional to 11,415,220.25, 17,100,016.11 and 6,863,776.79 is: 10,281,947.35
Step by Step Solution
- Step 1: Write the proportion equation
11,415,220.25 : 17,100,016.11 = 6,863,776.79 : x - Step 2: Convert to fraction form
11,415,220.25/17,100,016.11 = 6,863,776.79/x - Step 3: Cross multiply
11,415,220.25x = 17,100,016.11 × 6,863,776.79 - Step 4: Simplify right side
11,415,220.25x = 117,370,693,598,944 - Step 5: Solve for x
x = 117,370,693,598,944/11,415,220.25 - Step 6: Final answer
x = 10,281,947.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.