Finding the Fourth Proportional to 9,205,480.62, 13,806,728.28 and 4,347,781.92
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Solution
The fourth proportional to 9,205,480.62, 13,806,728.28 and 4,347,781.92 is: 6,520,967.90
Step by Step Solution
- Step 1: Write the proportion equation
9,205,480.62 : 13,806,728.28 = 4,347,781.92 : x - Step 2: Convert to fraction form
9,205,480.62/13,806,728.28 = 4,347,781.92/x - Step 3: Cross multiply
9,205,480.62x = 13,806,728.28 × 4,347,781.92 - Step 4: Simplify right side
9,205,480.62x = 60,028,643,590,136.70 - Step 5: Solve for x
x = 60,028,643,590,136.70/9,205,480.62 - Step 6: Final answer
x = 6,520,967.90
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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.