Finding the Fourth Proportional to 16,943,234.48, 23,381,844.20 and 9,208,277.20
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Solution
The fourth proportional to 16,943,234.48, 23,381,844.20 and 9,208,277.20 is: 12,707,520.70
Step by Step Solution
- Step 1: Write the proportion equation
16,943,234.48 : 23,381,844.20 = 9,208,277.20 : x - Step 2: Convert to fraction form
16,943,234.48/23,381,844.20 = 9,208,277.20/x - Step 3: Cross multiply
16,943,234.48x = 23,381,844.20 × 9,208,277.20 - Step 4: Simplify right side
16,943,234.48x = 215,306,502,840,812.22 - Step 5: Solve for x
x = 215,306,502,840,812.22/16,943,234.48 - Step 6: Final answer
x = 12,707,520.70
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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.