Finding the Fourth Proportional to 8,514,063.36, 12,763,502.04 and 3,121,457.18
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Solution
The fourth proportional to 8,514,063.36, 12,763,502.04 and 3,121,457.18 is: 4,679,401.99
Step by Step Solution
- Step 1: Write the proportion equation
8,514,063.36 : 12,763,502.04 = 3,121,457.18 : x - Step 2: Convert to fraction form
8,514,063.36/12,763,502.04 = 3,121,457.18/x - Step 3: Cross multiply
8,514,063.36x = 12,763,502.04 × 3,121,457.18 - Step 4: Simplify right side
8,514,063.36x = 39,840,725,020,885.13 - Step 5: Solve for x
x = 39,840,725,020,885.13/8,514,063.36 - Step 6: Final answer
x = 4,679,401.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.