Finding the Fourth Proportional to 8,745,255.96, 12,063,866.22 and 7,115,484.12
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Solution
The fourth proportional to 8,745,255.96, 12,063,866.22 and 7,115,484.12 is: 9,815,635.92
Step by Step Solution
- Step 1: Write the proportion equation
8,745,255.96 : 12,063,866.22 = 7,115,484.12 : x - Step 2: Convert to fraction form
8,745,255.96/12,063,866.22 = 7,115,484.12/x - Step 3: Cross multiply
8,745,255.96x = 12,063,866.22 × 7,115,484.12 - Step 4: Simplify right side
8,745,255.96x = 85,840,248,514,214.44 - Step 5: Solve for x
x = 85,840,248,514,214.44/8,745,255.96 - Step 6: Final answer
x = 9,815,635.92
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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.