Finding the Fourth Proportional to 10,261,872.98, 14,159,136.01 and 6,131,283.65
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Solution
The fourth proportional to 10,261,872.98, 14,159,136.01 and 6,131,283.65 is: 8,459,827.88
Step by Step Solution
- Step 1: Write the proportion equation
10,261,872.98 : 14,159,136.01 = 6,131,283.65 : x - Step 2: Convert to fraction form
10,261,872.98/14,159,136.01 = 6,131,283.65/x - Step 3: Cross multiply
10,261,872.98x = 14,159,136.01 × 6,131,283.65 - Step 4: Simplify right side
10,261,872.98x = 86,813,679,116,239.23 - Step 5: Solve for x
x = 86,813,679,116,239.23/10,261,872.98 - Step 6: Final answer
x = 8,459,827.88
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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.