Finding the Fourth Proportional to 7,989,031.23, 11,983,634.37 and 2,309,304.75
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Solution
The fourth proportional to 7,989,031.23, 11,983,634.37 and 2,309,304.75 is: 3,463,982.42
Step by Step Solution
- Step 1: Write the proportion equation
7,989,031.23 : 11,983,634.37 = 2,309,304.75 : x - Step 2: Convert to fraction form
7,989,031.23/11,983,634.37 = 2,309,304.75/x - Step 3: Cross multiply
7,989,031.23x = 11,983,634.37 × 2,309,304.75 - Step 4: Simplify right side
7,989,031.23x = 27,673,863,772,904.25 - Step 5: Solve for x
x = 27,673,863,772,904.25/7,989,031.23 - Step 6: Final answer
x = 3,463,982.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.