Finding the Fourth Proportional to 19,877,608.20, 29,798,916.30 and 13,467,073.80
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Solution
The fourth proportional to 19,877,608.20, 29,798,916.30 and 13,467,073.80 is: 20,188,757.17
Step by Step Solution
- Step 1: Write the proportion equation
19,877,608.20 : 29,798,916.30 = 13,467,073.80 : x - Step 2: Convert to fraction form
19,877,608.20/29,798,916.30 = 13,467,073.80/x - Step 3: Cross multiply
19,877,608.20x = 29,798,916.30 × 13,467,073.80 - Step 4: Simplify right side
19,877,608.20x = 401,304,204,972,123 - Step 5: Solve for x
x = 401,304,204,972,123/19,877,608.20 - Step 6: Final answer
x = 20,188,757.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.