Finding the Fourth Proportional to 10,232,369.84, 14,120,715.48 and 5,648,728.88
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Solution
The fourth proportional to 10,232,369.84, 14,120,715.48 and 5,648,728.88 is: 7,795,270.75
Step by Step Solution
- Step 1: Write the proportion equation
10,232,369.84 : 14,120,715.48 = 5,648,728.88 : x - Step 2: Convert to fraction form
10,232,369.84/14,120,715.48 = 5,648,728.88/x - Step 3: Cross multiply
10,232,369.84x = 14,120,715.48 × 5,648,728.88 - Step 4: Simplify right side
10,232,369.84x = 79,764,093,338,139.06 - Step 5: Solve for x
x = 79,764,093,338,139.06/10,232,369.84 - Step 6: Final answer
x = 7,795,270.75
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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.