Finding the Fourth Proportional to 14,920,832.42, 22,381,247.40 and 4,138,133.12
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Solution
The fourth proportional to 14,920,832.42, 22,381,247.40 and 4,138,133.12 is: 6,207,199.33
Step by Step Solution
- Step 1: Write the proportion equation
14,920,832.42 : 22,381,247.40 = 4,138,133.12 : x - Step 2: Convert to fraction form
14,920,832.42/22,381,247.40 = 4,138,133.12/x - Step 3: Cross multiply
14,920,832.42x = 22,381,247.40 × 4,138,133.12 - Step 4: Simplify right side
14,920,832.42x = 92,616,581,020,947.66 - Step 5: Solve for x
x = 92,616,581,020,947.66/14,920,832.42 - Step 6: Final answer
x = 6,207,199.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.