Finding the Fourth Proportional to 41,388,565.68, 57,117,982.68 and 23,053,859.28
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Solution
The fourth proportional to 41,388,565.68, 57,117,982.68 and 23,053,859.28 is: 31,815,307.28
Step by Step Solution
- Step 1: Write the proportion equation
41,388,565.68 : 57,117,982.68 = 23,053,859.28 : x - Step 2: Convert to fraction form
41,388,565.68/57,117,982.68 = 23,053,859.28/x - Step 3: Cross multiply
41,388,565.68x = 57,117,982.68 × 23,053,859.28 - Step 4: Simplify right side
41,388,565.68x = 1,316,789,935,062,197.25 - Step 5: Solve for x
x = 1,316,789,935,062,197.25/41,388,565.68 - Step 6: Final answer
x = 31,815,307.28
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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.