Finding the Fourth Proportional to 31,889,880.68, 44,008,023.60 and 17,403,192.68
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Solution
The fourth proportional to 31,889,880.68, 44,008,023.60 and 17,403,192.68 is: 24,016,399.49
Step by Step Solution
- Step 1: Write the proportion equation
31,889,880.68 : 44,008,023.60 = 17,403,192.68 : x - Step 2: Convert to fraction form
31,889,880.68/44,008,023.60 = 17,403,192.68/x - Step 3: Cross multiply
31,889,880.68x = 44,008,023.60 × 17,403,192.68 - Step 4: Simplify right side
31,889,880.68x = 765,880,113,956,747.25 - Step 5: Solve for x
x = 765,880,113,956,747.25/31,889,880.68 - Step 6: Final answer
x = 24,016,399.49
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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.