Finding the Fourth Proportional to 8,514,062.99, 12,763,501.48 and 3,121,456.80
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Solution
The fourth proportional to 8,514,062.99, 12,763,501.48 and 3,121,456.80 is: 4,679,401.43
Step by Step Solution
- Step 1: Write the proportion equation
8,514,062.99 : 12,763,501.48 = 3,121,456.80 : x - Step 2: Convert to fraction form
8,514,062.99/12,763,501.48 = 3,121,456.80/x - Step 3: Cross multiply
8,514,062.99x = 12,763,501.48 × 3,121,456.80 - Step 4: Simplify right side
8,514,062.99x = 39,840,718,478,752.41 - Step 5: Solve for x
x = 39,840,718,478,752.41/8,514,062.99 - Step 6: Final answer
x = 4,679,401.43
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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.