Finding the Fourth Proportional to 56,274,976.80, 84,369,189.24 and 28,586,142.09
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Solution
The fourth proportional to 56,274,976.80, 84,369,189.24 and 28,586,142.09 is: 42,857,230.14
Step by Step Solution
- Step 1: Write the proportion equation
56,274,976.80 : 84,369,189.24 = 28,586,142.09 : x - Step 2: Convert to fraction form
56,274,976.80/84,369,189.24 = 28,586,142.09/x - Step 3: Cross multiply
56,274,976.80x = 84,369,189.24 × 28,586,142.09 - Step 4: Simplify right side
56,274,976.80x = 2,411,789,631,632,739 - Step 5: Solve for x
x = 2,411,789,631,632,739/56,274,976.80 - Step 6: Final answer
x = 42,857,230.14
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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.