Finding the Fourth Proportional to 12,035,962.35, 16,609,627.91 and 6,879,434.62
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Solution
The fourth proportional to 12,035,962.35, 16,609,627.91 and 6,879,434.62 is: 9,493,619.70
Step by Step Solution
- Step 1: Write the proportion equation
12,035,962.35 : 16,609,627.91 = 6,879,434.62 : x - Step 2: Convert to fraction form
12,035,962.35/16,609,627.91 = 6,879,434.62/x - Step 3: Cross multiply
12,035,962.35x = 16,609,627.91 × 6,879,434.62 - Step 4: Simplify right side
12,035,962.35x = 114,264,849,269,372.25 - Step 5: Solve for x
x = 114,264,849,269,372.25/12,035,962.35 - Step 6: Final answer
x = 9,493,619.70
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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.