Finding the Fourth Proportional to 10,348,438.63, 14,281,472.37 and 5,702,218.05
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Solution
The fourth proportional to 10,348,438.63, 14,281,472.37 and 5,702,218.05 is: 7,869,406.43
Step by Step Solution
- Step 1: Write the proportion equation
10,348,438.63 : 14,281,472.37 = 5,702,218.05 : x - Step 2: Convert to fraction form
10,348,438.63/14,281,472.37 = 5,702,218.05/x - Step 3: Cross multiply
10,348,438.63x = 14,281,472.37 × 5,702,218.05 - Step 4: Simplify right side
10,348,438.63x = 81,436,069,528,790.27 - Step 5: Solve for x
x = 81,436,069,528,790.27/10,348,438.63 - Step 6: Final answer
x = 7,869,406.43
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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.