Finding the Fourth Proportional to 16,129,243.60, 24,229,910.20 and 13,475,035.60
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Solution
The fourth proportional to 16,129,243.60, 24,229,910.20 and 13,475,035.60 is: 20,242,666.71
Step by Step Solution
- Step 1: Write the proportion equation
16,129,243.60 : 24,229,910.20 = 13,475,035.60 : x - Step 2: Convert to fraction form
16,129,243.60/24,229,910.20 = 13,475,035.60/x - Step 3: Cross multiply
16,129,243.60x = 24,229,910.20 × 13,475,035.60 - Step 4: Simplify right side
16,129,243.60x = 326,498,902,529,803.12 - Step 5: Solve for x
x = 326,498,902,529,803.12/16,129,243.60 - Step 6: Final answer
x = 20,242,666.71
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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.