Finding the Fourth Proportional to 11,688,033.96, 16,129,460.88 and 6,531,396.03
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Solution
The fourth proportional to 11,688,033.96, 16,129,460.88 and 6,531,396.03 is: 9,013,312.00
Step by Step Solution
- Step 1: Write the proportion equation
11,688,033.96 : 16,129,460.88 = 6,531,396.03 : x - Step 2: Convert to fraction form
11,688,033.96/16,129,460.88 = 6,531,396.03/x - Step 3: Cross multiply
11,688,033.96x = 16,129,460.88 × 6,531,396.03 - Step 4: Simplify right side
11,688,033.96x = 105,347,896,757,672.31 - Step 5: Solve for x
x = 105,347,896,757,672.31/11,688,033.96 - Step 6: Final answer
x = 9,013,312.00
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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.