Finding the Fourth Proportional to 20,094,682.30, 27,729,824.31 and 11,393,442.99
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Solution
The fourth proportional to 20,094,682.30, 27,729,824.31 and 11,393,442.99 is: 15,722,476.61
Step by Step Solution
- Step 1: Write the proportion equation
20,094,682.30 : 27,729,824.31 = 11,393,442.99 : x - Step 2: Convert to fraction form
20,094,682.30/27,729,824.31 = 11,393,442.99/x - Step 3: Cross multiply
20,094,682.30x = 27,729,824.31 × 11,393,442.99 - Step 4: Simplify right side
20,094,682.30x = 315,938,172,398,701.06 - Step 5: Solve for x
x = 315,938,172,398,701.06/20,094,682.30 - Step 6: Final answer
x = 15,722,476.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.