Finding the Fourth Proportional to 26,355,859.68, 36,345,534.75 and 20,552,523.96
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Solution
The fourth proportional to 26,355,859.68, 36,345,534.75 and 20,552,523.96 is: 28,342,557.70
Step by Step Solution
- Step 1: Write the proportion equation
26,355,859.68 : 36,345,534.75 = 20,552,523.96 : x - Step 2: Convert to fraction form
26,355,859.68/36,345,534.75 = 20,552,523.96/x - Step 3: Cross multiply
26,355,859.68x = 36,345,534.75 × 20,552,523.96 - Step 4: Simplify right side
26,355,859.68x = 746,992,473,788,387.62 - Step 5: Solve for x
x = 746,992,473,788,387.62/26,355,859.68 - Step 6: Final answer
x = 28,342,557.70
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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.