Finding the Fourth Proportional to 21,027,375.95, 29,030,915.09 and 16,123,176.68
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Solution
The fourth proportional to 21,027,375.95, 29,030,915.09 and 16,123,176.68 is: 22,260,056.33
Step by Step Solution
- Step 1: Write the proportion equation
21,027,375.95 : 29,030,915.09 = 16,123,176.68 : x - Step 2: Convert to fraction form
21,027,375.95/29,030,915.09 = 16,123,176.68/x - Step 3: Cross multiply
21,027,375.95x = 29,030,915.09 × 16,123,176.68 - Step 4: Simplify right side
21,027,375.95x = 468,070,573,073,301.50 - Step 5: Solve for x
x = 468,070,573,073,301.50/21,027,375.95 - Step 6: Final answer
x = 22,260,056.33
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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.