Finding the Fourth Proportional to 18,527,679.84, 27,790,465.68 and 5,573,555.04
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Solution
The fourth proportional to 18,527,679.84, 27,790,465.68 and 5,573,555.04 is: 8,360,015.47
Step by Step Solution
- Step 1: Write the proportion equation
18,527,679.84 : 27,790,465.68 = 5,573,555.04 : x - Step 2: Convert to fraction form
18,527,679.84/27,790,465.68 = 5,573,555.04/x - Step 3: Cross multiply
18,527,679.84x = 27,790,465.68 × 5,573,555.04 - Step 4: Simplify right side
18,527,679.84x = 154,891,690,054,711.03 - Step 5: Solve for x
x = 154,891,690,054,711.03/18,527,679.84 - Step 6: Final answer
x = 8,360,015.47
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1.5x scale
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.