Finding the Fourth Proportional to 12,274,654.66, 18,411,314.34 and 3,754,991.09
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Solution
The fourth proportional to 12,274,654.66, 18,411,314.34 and 3,754,991.09 is: 5,632,282.39
Step by Step Solution
- Step 1: Write the proportion equation
12,274,654.66 : 18,411,314.34 = 3,754,991.09 : x - Step 2: Convert to fraction form
12,274,654.66/18,411,314.34 = 3,754,991.09/x - Step 3: Cross multiply
12,274,654.66x = 18,411,314.34 × 3,754,991.09 - Step 4: Simplify right side
12,274,654.66x = 69,134,321,301,889.23 - Step 5: Solve for x
x = 69,134,321,301,889.23/12,274,654.66 - Step 6: Final answer
x = 5,632,282.39
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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.