Finding the Fourth Proportional to 7,719,528.05, 11,579,375.06 and 2,328,225.18
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Solution
The fourth proportional to 7,719,528.05, 11,579,375.06 and 2,328,225.18 is: 3,492,362.80
Step by Step Solution
- Step 1: Write the proportion equation
7,719,528.05 : 11,579,375.06 = 2,328,225.18 : x - Step 2: Convert to fraction form
7,719,528.05/11,579,375.06 = 2,328,225.18/x - Step 3: Cross multiply
7,719,528.05x = 11,579,375.06 × 2,328,225.18 - Step 4: Simplify right side
7,719,528.05x = 26,959,392,621,713.46 - Step 5: Solve for x
x = 26,959,392,621,713.46/7,719,528.05 - Step 6: Final answer
x = 3,492,362.80
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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.