Finding the Fourth Proportional to 34,919,208.23, 48,188,520.63 and 20,243,381.99
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Solution
The fourth proportional to 34,919,208.23, 48,188,520.63 and 20,243,381.99 is: 27,935,874.84
Step by Step Solution
- Step 1: Write the proportion equation
34,919,208.23 : 48,188,520.63 = 20,243,381.99 : x - Step 2: Convert to fraction form
34,919,208.23/48,188,520.63 = 20,243,381.99/x - Step 3: Cross multiply
34,919,208.23x = 48,188,520.63 × 20,243,381.99 - Step 4: Simplify right side
34,919,208.23x = 975,498,630,405,142.88 - Step 5: Solve for x
x = 975,498,630,405,142.88/34,919,208.23 - Step 6: Final answer
x = 27,935,874.84
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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.