Finding the Fourth Proportional to 14,677,695.90, 22,016,543.85 and 8,938,133.10
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Solution
The fourth proportional to 14,677,695.90, 22,016,543.85 and 8,938,133.10 is: 13,407,199.65
Step by Step Solution
- Step 1: Write the proportion equation
14,677,695.90 : 22,016,543.85 = 8,938,133.10 : x - Step 2: Convert to fraction form
14,677,695.90/22,016,543.85 = 8,938,133.10/x - Step 3: Cross multiply
14,677,695.90x = 22,016,543.85 × 8,938,133.10 - Step 4: Simplify right side
14,677,695.90x = 196,786,799,333,286.44 - Step 5: Solve for x
x = 196,786,799,333,286.44/14,677,695.90 - Step 6: Final answer
x = 13,407,199.65
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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.