Finding the Fourth Proportional to 29,964,369.55, 41,339,397.42 and 18,199,199.99
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Solution
The fourth proportional to 29,964,369.55, 41,339,397.42 and 18,199,199.99 is: 25,107,952.29
Step by Step Solution
- Step 1: Write the proportion equation
29,964,369.55 : 41,339,397.42 = 18,199,199.99 : x - Step 2: Convert to fraction form
29,964,369.55/41,339,397.42 = 18,199,199.99/x - Step 3: Cross multiply
29,964,369.55x = 41,339,397.42 × 18,199,199.99 - Step 4: Simplify right side
29,964,369.55x = 752,343,960,905,973 - Step 5: Solve for x
x = 752,343,960,905,973/29,964,369.55 - Step 6: Final answer
x = 25,107,952.29
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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.