Finding the Fourth Proportional to 11,575,122.75, 15,972,517.98 and 6,681,921.26
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Solution
The fourth proportional to 11,575,122.75, 15,972,517.98 and 6,681,921.26 is: 9,220,386.66
Step by Step Solution
- Step 1: Write the proportion equation
11,575,122.75 : 15,972,517.98 = 6,681,921.26 : x - Step 2: Convert to fraction form
11,575,122.75/15,972,517.98 = 6,681,921.26/x - Step 3: Cross multiply
11,575,122.75x = 15,972,517.98 × 6,681,921.26 - Step 4: Simplify right side
11,575,122.75x = 106,727,107,386,431.67 - Step 5: Solve for x
x = 106,727,107,386,431.67/11,575,122.75 - Step 6: Final answer
x = 9,220,386.66
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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.