Finding the Fourth Proportional to 18,167,211.40, 27,228,377.66 and 15,590,313.04
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Solution
The fourth proportional to 18,167,211.40, 27,228,377.66 and 15,590,313.04 is: 23,366,213.00
Step by Step Solution
- Step 1: Write the proportion equation
18,167,211.40 : 27,228,377.66 = 15,590,313.04 : x - Step 2: Convert to fraction form
18,167,211.40/27,228,377.66 = 15,590,313.04/x - Step 3: Cross multiply
18,167,211.40x = 27,228,377.66 × 15,590,313.04 - Step 4: Simplify right side
18,167,211.40x = 424,498,931,154,600.81 - Step 5: Solve for x
x = 424,498,931,154,600.81/18,167,211.40 - Step 6: Final answer
x = 23,366,213.00
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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.