Finding the Fourth Proportional to 8,202,972.72, 12,304,420.20 and 4,557,985.68
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Solution
The fourth proportional to 8,202,972.72, 12,304,420.20 and 4,557,985.68 is: 6,836,956.92
Step by Step Solution
- Step 1: Write the proportion equation
8,202,972.72 : 12,304,420.20 = 4,557,985.68 : x - Step 2: Convert to fraction form
8,202,972.72/12,304,420.20 = 4,557,985.68/x - Step 3: Cross multiply
8,202,972.72x = 12,304,420.20 × 4,557,985.68 - Step 4: Simplify right side
8,202,972.72x = 56,083,371,072,302.73 - Step 5: Solve for x
x = 56,083,371,072,302.73/8,202,972.72 - Step 6: Final answer
x = 6,836,956.92
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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.