Finding the Fourth Proportional to 7,176,328.84, 10,764,492.90 and 4,925,643.40
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Solution
The fourth proportional to 7,176,328.84, 10,764,492.90 and 4,925,643.40 is: 7,388,464.85
Step by Step Solution
- Step 1: Write the proportion equation
7,176,328.84 : 10,764,492.90 = 4,925,643.40 : x - Step 2: Convert to fraction form
7,176,328.84/10,764,492.90 = 4,925,643.40/x - Step 3: Cross multiply
7,176,328.84x = 10,764,492.90 × 4,925,643.40 - Step 4: Simplify right side
7,176,328.84x = 53,022,053,407,231.87 - Step 5: Solve for x
x = 53,022,053,407,231.87/7,176,328.84 - Step 6: Final answer
x = 7,388,464.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.