Finding the Fourth Proportional to 16,135,138.88, 22,266,496.32 and 8,792,974.08
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Solution
The fourth proportional to 16,135,138.88, 22,266,496.32 and 8,792,974.08 is: 12,134,306.77
Step by Step Solution
- Step 1: Write the proportion equation
16,135,138.88 : 22,266,496.32 = 8,792,974.08 : x - Step 2: Convert to fraction form
16,135,138.88/22,266,496.32 = 8,792,974.08/x - Step 3: Cross multiply
16,135,138.88x = 22,266,496.32 × 8,792,974.08 - Step 4: Simplify right side
16,135,138.88x = 195,788,724,994,175.38 - Step 5: Solve for x
x = 195,788,724,994,175.38/16,135,138.88 - Step 6: Final answer
x = 12,134,306.77
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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.