Finding the Fourth Proportional to 21,605,843.76, 32,375,634.09 and 14,680,503.12
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Solution
The fourth proportional to 21,605,843.76, 32,375,634.09 and 14,680,503.12 is: 21,998,242.82
Step by Step Solution
- Step 1: Write the proportion equation
21,605,843.76 : 32,375,634.09 = 14,680,503.12 : x - Step 2: Convert to fraction form
21,605,843.76/32,375,634.09 = 14,680,503.12/x - Step 3: Cross multiply
21,605,843.76x = 32,375,634.09 × 14,680,503.12 - Step 4: Simplify right side
21,605,843.76x = 475,290,597,270,223.31 - Step 5: Solve for x
x = 475,290,597,270,223.31/21,605,843.76 - Step 6: Final answer
x = 21,998,242.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.