Finding the Fourth Proportional to 16,891,209.84, 23,294,818.98 and 13,170,963
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Solution
The fourth proportional to 16,891,209.84, 23,294,818.98 and 13,170,963 is: 18,164,193.20
Step by Step Solution
- Step 1: Write the proportion equation
16,891,209.84 : 23,294,818.98 = 13,170,963 : x - Step 2: Convert to fraction form
16,891,209.84/23,294,818.98 = 13,170,963/x - Step 3: Cross multiply
16,891,209.84x = 23,294,818.98 × 13,170,963 - Step 4: Simplify right side
16,891,209.84x = 306,815,198,877,277.75 - Step 5: Solve for x
x = 306,815,198,877,277.75/16,891,209.84 - Step 6: Final answer
x = 18,164,193.20
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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.