Finding the Fourth Proportional to 22,397,251.60, 33,558,552.60 and 21,053,558.80
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Solution
The fourth proportional to 22,397,251.60, 33,558,552.60 and 21,053,558.80 is: 31,545,252.65
Step by Step Solution
- Step 1: Write the proportion equation
22,397,251.60 : 33,558,552.60 = 21,053,558.80 : x - Step 2: Convert to fraction form
22,397,251.60/33,558,552.60 = 21,053,558.80/x - Step 3: Cross multiply
22,397,251.60x = 33,558,552.60 × 21,053,558.80 - Step 4: Simplify right side
22,397,251.60x = 706,526,960,406,992.88 - Step 5: Solve for x
x = 706,526,960,406,992.88/22,397,251.60 - Step 6: Final answer
x = 31,545,252.65
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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.