Finding the Fourth Proportional to 6,136,418.76, 8,466,381.27 and 3,557,584.95
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Solution
The fourth proportional to 6,136,418.76, 8,466,381.27 and 3,557,584.95 is: 4,908,379.26
Step by Step Solution
- Step 1: Write the proportion equation
6,136,418.76 : 8,466,381.27 = 3,557,584.95 : x - Step 2: Convert to fraction form
6,136,418.76/8,466,381.27 = 3,557,584.95/x - Step 3: Cross multiply
6,136,418.76x = 8,466,381.27 × 3,557,584.95 - Step 4: Simplify right side
6,136,418.76x = 30,119,870,587,113.89 - Step 5: Solve for x
x = 30,119,870,587,113.89/6,136,418.76 - Step 6: Final answer
x = 4,908,379.26
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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.