Finding the Fourth Proportional to 17,961,572.30, 26,959,391.79 and 11,117,442.61
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Solution
The fourth proportional to 17,961,572.30, 26,959,391.79 and 11,117,442.61 is: 16,686,706.82
Step by Step Solution
- Step 1: Write the proportion equation
17,961,572.30 : 26,959,391.79 = 11,117,442.61 : x - Step 2: Convert to fraction form
17,961,572.30/26,959,391.79 = 11,117,442.61/x - Step 3: Cross multiply
17,961,572.30x = 26,959,391.79 × 11,117,442.61 - Step 4: Simplify right side
17,961,572.30x = 299,719,490,958,431.69 - Step 5: Solve for x
x = 299,719,490,958,431.69/17,961,572.30 - Step 6: Final answer
x = 16,686,706.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.