Finding the Fourth Proportional to 8,248,146.72, 12,381,270.64 and 6,553,185.36
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Solution
The fourth proportional to 8,248,146.72, 12,381,270.64 and 6,553,185.36 is: 9,836,968.75
Step by Step Solution
- Step 1: Write the proportion equation
8,248,146.72 : 12,381,270.64 = 6,553,185.36 : x - Step 2: Convert to fraction form
8,248,146.72/12,381,270.64 = 6,553,185.36/x - Step 3: Cross multiply
8,248,146.72x = 12,381,270.64 × 6,553,185.36 - Step 4: Simplify right side
8,248,146.72x = 81,136,761,496,245.84 - Step 5: Solve for x
x = 81,136,761,496,245.84/8,248,146.72 - Step 6: Final answer
x = 9,836,968.75
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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.