Finding the Fourth Proportional to 16,135,136.38, 22,266,492.84 and 8,792,971.56
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Solution
The fourth proportional to 16,135,136.38, 22,266,492.84 and 8,792,971.56 is: 12,134,303.28
Step by Step Solution
- Step 1: Write the proportion equation
16,135,136.38 : 22,266,492.84 = 8,792,971.56 : x - Step 2: Convert to fraction form
16,135,136.38/22,266,492.84 = 8,792,971.56/x - Step 3: Cross multiply
16,135,136.38x = 22,266,492.84 × 8,792,971.56 - Step 4: Simplify right side
16,135,136.38x = 195,788,638,283,063.66 - Step 5: Solve for x
x = 195,788,638,283,063.66/16,135,136.38 - Step 6: Final answer
x = 12,134,303.28
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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.