Finding the Fourth Proportional to 39,910,389.66, 55,072,207.80 and 29,461,953.42
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Solution
The fourth proportional to 39,910,389.66, 55,072,207.80 and 29,461,953.42 is: 40,654,446.99
Step by Step Solution
- Step 1: Write the proportion equation
39,910,389.66 : 55,072,207.80 = 29,461,953.42 : x - Step 2: Convert to fraction form
39,910,389.66/55,072,207.80 = 29,461,953.42/x - Step 3: Cross multiply
39,910,389.66x = 55,072,207.80 × 29,461,953.42 - Step 4: Simplify right side
39,910,389.66x = 1,622,534,820,940,160.75 - Step 5: Solve for x
x = 1,622,534,820,940,160.75/39,910,389.66 - Step 6: Final answer
x = 40,654,446.99
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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.