Finding the Fourth Proportional to 17,889,853.12, 24,687,892.58 and 9,741,071.68
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Solution
The fourth proportional to 17,889,853.12, 24,687,892.58 and 9,741,071.68 is: 13,442,621.90
Step by Step Solution
- Step 1: Write the proportion equation
17,889,853.12 : 24,687,892.58 = 9,741,071.68 : x - Step 2: Convert to fraction form
17,889,853.12/24,687,892.58 = 9,741,071.68/x - Step 3: Cross multiply
17,889,853.12x = 24,687,892.58 × 9,741,071.68 - Step 4: Simplify right side
17,889,853.12x = 240,486,531,249,920.12 - Step 5: Solve for x
x = 240,486,531,249,920.12/17,889,853.12 - Step 6: Final answer
x = 13,442,621.90
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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.