Finding the Fourth Proportional to 19,526,088.36, 26,948,748.74 and 12,086,138.40
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Solution
The fourth proportional to 19,526,088.36, 26,948,748.74 and 12,086,138.40 is: 16,680,571.19
Step by Step Solution
- Step 1: Write the proportion equation
19,526,088.36 : 26,948,748.74 = 12,086,138.40 : x - Step 2: Convert to fraction form
19,526,088.36/26,948,748.74 = 12,086,138.40/x - Step 3: Cross multiply
19,526,088.36x = 26,948,748.74 × 12,086,138.40 - Step 4: Simplify right side
19,526,088.36x = 325,706,306,918,034.94 - Step 5: Solve for x
x = 325,706,306,918,034.94/19,526,088.36 - Step 6: Final answer
x = 16,680,571.19
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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.