Finding the Fourth Proportional to 14,543,965.44, 20,070,807.70 and 8,017,828.42
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Solution
The fourth proportional to 14,543,965.44, 20,070,807.70 and 8,017,828.42 is: 11,064,677.86
Step by Step Solution
- Step 1: Write the proportion equation
14,543,965.44 : 20,070,807.70 = 8,017,828.42 : x - Step 2: Convert to fraction form
14,543,965.44/20,070,807.70 = 8,017,828.42/x - Step 3: Cross multiply
14,543,965.44x = 20,070,807.70 × 8,017,828.42 - Step 4: Simplify right side
14,543,965.44x = 160,924,292,389,414.81 - Step 5: Solve for x
x = 160,924,292,389,414.81/14,543,965.44 - Step 6: Final answer
x = 11,064,677.86
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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.