Finding the Fourth Proportional to 9,726,747.88, 13,424,578.86 and 5,654,728.84
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Solution
The fourth proportional to 9,726,747.88, 13,424,578.86 and 5,654,728.84 is: 7,804,494.80
Step by Step Solution
- Step 1: Write the proportion equation
9,726,747.88 : 13,424,578.86 = 5,654,728.84 : x - Step 2: Convert to fraction form
9,726,747.88/13,424,578.86 = 5,654,728.84/x - Step 3: Cross multiply
9,726,747.88x = 13,424,578.86 × 5,654,728.84 - Step 4: Simplify right side
9,726,747.88x = 75,912,353,244,496.31 - Step 5: Solve for x
x = 75,912,353,244,496.31/9,726,747.88 - Step 6: Final answer
x = 7,804,494.80
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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.