Finding the Fourth Proportional to 34,745,459.09, 47,905,106.44 and 25,436,868.79
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Solution
The fourth proportional to 34,745,459.09, 47,905,106.44 and 25,436,868.79 is: 35,070,939.89
Step by Step Solution
- Step 1: Write the proportion equation
34,745,459.09 : 47,905,106.44 = 25,436,868.79 : x - Step 2: Convert to fraction form
34,745,459.09/47,905,106.44 = 25,436,868.79/x - Step 3: Cross multiply
34,745,459.09x = 47,905,106.44 × 25,436,868.79 - Step 4: Simplify right side
34,745,459.09x = 1,218,555,907,045,688.50 - Step 5: Solve for x
x = 1,218,555,907,045,688.50/34,745,459.09 - Step 6: Final answer
x = 35,070,939.89
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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.