Finding the Fourth Proportional to 29,203,988.94, 40,306,561.74 and 17,601,565.68
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Solution
The fourth proportional to 29,203,988.94, 40,306,561.74 and 17,601,565.68 is: 24,293,208.55
Step by Step Solution
- Step 1: Write the proportion equation
29,203,988.94 : 40,306,561.74 = 17,601,565.68 : x - Step 2: Convert to fraction form
29,203,988.94/40,306,561.74 = 17,601,565.68/x - Step 3: Cross multiply
29,203,988.94x = 40,306,561.74 × 17,601,565.68 - Step 4: Simplify right side
29,203,988.94x = 709,458,593,801,585.12 - Step 5: Solve for x
x = 709,458,593,801,585.12/29,203,988.94 - Step 6: Final answer
x = 24,293,208.55
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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.