Finding the Fourth Proportional to 8,069,871.96, 11,136,257.19 and 4,398,756.84
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Solution
The fourth proportional to 8,069,871.96, 11,136,257.19 and 4,398,756.84 is: 6,070,193.89
Step by Step Solution
- Step 1: Write the proportion equation
8,069,871.96 : 11,136,257.19 = 4,398,756.84 : x - Step 2: Convert to fraction form
8,069,871.96/11,136,257.19 = 4,398,756.84/x - Step 3: Cross multiply
8,069,871.96x = 11,136,257.19 × 4,398,756.84 - Step 4: Simplify right side
8,069,871.96x = 48,985,687,486,511.67 - Step 5: Solve for x
x = 48,985,687,486,511.67/8,069,871.96 - Step 6: Final answer
x = 6,070,193.89
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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.