Finding the Fourth Proportional to 10,268,472.38, 14,169,953.00 and 5,621,366.52
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Solution
The fourth proportional to 10,268,472.38, 14,169,953.00 and 5,621,366.52 is: 7,757,190.80
Step by Step Solution
- Step 1: Write the proportion equation
10,268,472.38 : 14,169,953.00 = 5,621,366.52 : x - Step 2: Convert to fraction form
10,268,472.38/14,169,953.00 = 5,621,366.52/x - Step 3: Cross multiply
10,268,472.38x = 14,169,953.00 × 5,621,366.52 - Step 4: Simplify right side
10,268,472.38x = 79,654,499,398,226.97 - Step 5: Solve for x
x = 79,654,499,398,226.97/10,268,472.38 - Step 6: Final answer
x = 7,757,190.80
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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.