Finding the Fourth Proportional to 10,561,366.35, 14,569,996.50 and 6,889,437.09
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Solution
The fourth proportional to 10,561,366.35, 14,569,996.50 and 6,889,437.09 is: 9,504,364.39
Step by Step Solution
- Step 1: Write the proportion equation
10,561,366.35 : 14,569,996.50 = 6,889,437.09 : x - Step 2: Convert to fraction form
10,561,366.35/14,569,996.50 = 6,889,437.09/x - Step 3: Cross multiply
10,561,366.35x = 14,569,996.50 × 6,889,437.09 - Step 4: Simplify right side
10,561,366.35x = 100,379,074,288,270.19 - Step 5: Solve for x
x = 100,379,074,288,270.19/10,561,366.35 - Step 6: Final answer
x = 9,504,364.39
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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.