Finding the Fourth Proportional to 10,729,221.51, 14,806,715.05 and 6,146,428.62
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Solution
The fourth proportional to 10,729,221.51, 14,806,715.05 and 6,146,428.62 is: 8,482,294.55
Step by Step Solution
- Step 1: Write the proportion equation
10,729,221.51 : 14,806,715.05 = 6,146,428.62 : x - Step 2: Convert to fraction form
10,729,221.51/14,806,715.05 = 6,146,428.62/x - Step 3: Cross multiply
10,729,221.51x = 14,806,715.05 × 6,146,428.62 - Step 4: Simplify right side
10,729,221.51x = 91,008,417,151,504.73 - Step 5: Solve for x
x = 91,008,417,151,504.73/10,729,221.51 - Step 6: Final answer
x = 8,482,294.55
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1.5x scale
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.