Finding the Fourth Proportional to 8,745,149.18, 12,068,326.96 and 4,877,920.82
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Solution
The fourth proportional to 8,745,149.18, 12,068,326.96 and 4,877,920.82 is: 6,731,542.50
Step by Step Solution
- Step 1: Write the proportion equation
8,745,149.18 : 12,068,326.96 = 4,877,920.82 : x - Step 2: Convert to fraction form
8,745,149.18/12,068,326.96 = 4,877,920.82/x - Step 3: Cross multiply
8,745,149.18x = 12,068,326.96 × 4,877,920.82 - Step 4: Simplify right side
8,745,149.18x = 58,868,343,340,751.31 - Step 5: Solve for x
x = 58,868,343,340,751.31/8,745,149.18 - Step 6: Final answer
x = 6,731,542.50
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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.