Finding the Fourth Proportional to 10,479,863.40, 14,462,063.34 and 5,896,173.84
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Solution
The fourth proportional to 10,479,863.40, 14,462,063.34 and 5,896,173.84 is: 8,136,636.55
Step by Step Solution
- Step 1: Write the proportion equation
10,479,863.40 : 14,462,063.34 = 5,896,173.84 : x - Step 2: Convert to fraction form
10,479,863.40/14,462,063.34 = 5,896,173.84/x - Step 3: Cross multiply
10,479,863.40x = 14,462,063.34 × 5,896,173.84 - Step 4: Simplify right side
10,479,863.40x = 85,270,839,537,731.02 - Step 5: Solve for x
x = 85,270,839,537,731.02/10,479,863.40 - Step 6: Final answer
x = 8,136,636.55
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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.