Finding the Fourth Proportional to 10,439,145.68, 14,405,991.18 and 5,793,631.88
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Solution
The fourth proportional to 10,439,145.68, 14,405,991.18 and 5,793,631.88 is: 7,995,195.42
Step by Step Solution
- Step 1: Write the proportion equation
10,439,145.68 : 14,405,991.18 = 5,793,631.88 : x - Step 2: Convert to fraction form
10,439,145.68/14,405,991.18 = 5,793,631.88/x - Step 3: Cross multiply
10,439,145.68x = 14,405,991.18 × 5,793,631.88 - Step 4: Simplify right side
10,439,145.68x = 83,463,009,763,446.81 - Step 5: Solve for x
x = 83,463,009,763,446.81/10,439,145.68 - Step 6: Final answer
x = 7,995,195.42
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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.