Finding the Fourth Proportional to 8,136,908.90, 12,205,363.35 and 6,341,138.90
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Solution
The fourth proportional to 8,136,908.90, 12,205,363.35 and 6,341,138.90 is: 9,511,708.35
Step by Step Solution
- Step 1: Write the proportion equation
8,136,908.90 : 12,205,363.35 = 6,341,138.90 : x - Step 2: Convert to fraction form
8,136,908.90/12,205,363.35 = 6,341,138.90/x - Step 3: Cross multiply
8,136,908.90x = 12,205,363.35 × 6,341,138.90 - Step 4: Simplify right side
8,136,908.90x = 77,395,904,327,319.31 - Step 5: Solve for x
x = 77,395,904,327,319.31/8,136,908.90 - Step 6: Final answer
x = 9,511,708.35
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Similar ratio
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.