Finding the Fourth Proportional to 6,424,116.42, 8,865,293.46 and 3,523,531.14
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Solution
The fourth proportional to 6,424,116.42, 8,865,293.46 and 3,523,531.14 is: 4,862,479.99
Step by Step Solution
- Step 1: Write the proportion equation
6,424,116.42 : 8,865,293.46 = 3,523,531.14 : x - Step 2: Convert to fraction form
6,424,116.42/8,865,293.46 = 3,523,531.14/x - Step 3: Cross multiply
6,424,116.42x = 8,865,293.46 × 3,523,531.14 - Step 4: Simplify right side
6,424,116.42x = 31,237,137,571,548.35 - Step 5: Solve for x
x = 31,237,137,571,548.35/6,424,116.42 - Step 6: Final answer
x = 4,862,479.99
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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.