Finding the Fourth Proportional to 23,042,405.07, 31,799,485.04 and 13,252,851.99
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Solution
The fourth proportional to 23,042,405.07, 31,799,485.04 and 13,252,851.99 is: 18,289,491.36
Step by Step Solution
- Step 1: Write the proportion equation
23,042,405.07 : 31,799,485.04 = 13,252,851.99 : x - Step 2: Convert to fraction form
23,042,405.07/31,799,485.04 = 13,252,851.99/x - Step 3: Cross multiply
23,042,405.07x = 31,799,485.04 × 13,252,851.99 - Step 4: Simplify right side
23,042,405.07x = 421,433,868,527,075 - Step 5: Solve for x
x = 421,433,868,527,075/23,042,405.07 - Step 6: Final answer
x = 18,289,491.36
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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.