Finding the Fourth Proportional to 18,629,045.97, 25,708,084.68 and 10,368,930.99
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Solution
The fourth proportional to 18,629,045.97, 25,708,084.68 and 10,368,930.99 is: 14,309,125.46
Step by Step Solution
- Step 1: Write the proportion equation
18,629,045.97 : 25,708,084.68 = 10,368,930.99 : x - Step 2: Convert to fraction form
18,629,045.97/25,708,084.68 = 10,368,930.99/x - Step 3: Cross multiply
18,629,045.97x = 25,708,084.68 × 10,368,930.99 - Step 4: Simplify right side
18,629,045.97x = 266,565,356,008,959.84 - Step 5: Solve for x
x = 266,565,356,008,959.84/18,629,045.97 - Step 6: Final answer
x = 14,309,125.46
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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.