Finding the Fourth Proportional to 13,982,701.80, 20,938,623.30 and 11,148,349.80
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Solution
The fourth proportional to 13,982,701.80, 20,938,623.30 and 11,148,349.80 is: 16,694,276.99
Step by Step Solution
- Step 1: Write the proportion equation
13,982,701.80 : 20,938,623.30 = 11,148,349.80 : x - Step 2: Convert to fraction form
13,982,701.80/20,938,623.30 = 11,148,349.80/x - Step 3: Cross multiply
13,982,701.80x = 20,938,623.30 × 11,148,349.80 - Step 4: Simplify right side
13,982,701.80x = 233,431,096,878,830.38 - Step 5: Solve for x
x = 233,431,096,878,830.38/13,982,701.80 - Step 6: Final answer
x = 16,694,276.99
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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.