Finding the Fourth Proportional to 40,397,073.39, 55,749,336.96 and 23,891,346.99
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Solution
The fourth proportional to 40,397,073.39, 55,749,336.96 and 23,891,346.99 is: 32,970,872.44
Step by Step Solution
- Step 1: Write the proportion equation
40,397,073.39 : 55,749,336.96 = 23,891,346.99 : x - Step 2: Convert to fraction form
40,397,073.39/55,749,336.96 = 23,891,346.99/x - Step 3: Cross multiply
40,397,073.39x = 55,749,336.96 × 23,891,346.99 - Step 4: Simplify right side
40,397,073.39x = 1,331,926,753,773,791.75 - Step 5: Solve for x
x = 1,331,926,753,773,791.75/40,397,073.39 - Step 6: Final answer
x = 32,970,872.44
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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.