Finding the Fourth Proportional to 36,976,896.48, 51,027,942.96 and 20,679,437.28
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Solution
The fourth proportional to 36,976,896.48, 51,027,942.96 and 20,679,437.28 is: 28,537,526.03
Step by Step Solution
- Step 1: Write the proportion equation
36,976,896.48 : 51,027,942.96 = 20,679,437.28 : x - Step 2: Convert to fraction form
36,976,896.48/51,027,942.96 = 20,679,437.28/x - Step 3: Cross multiply
36,976,896.48x = 51,027,942.96 × 20,679,437.28 - Step 4: Simplify right side
36,976,896.48x = 1,055,229,145,968,737.62 - Step 5: Solve for x
x = 1,055,229,145,968,737.62/36,976,896.48 - Step 6: Final answer
x = 28,537,526.03
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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.