Finding the Fourth Proportional to 23,042,409.07, 31,799,490.56 and 13,252,855.99
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Solution
The fourth proportional to 23,042,409.07, 31,799,490.56 and 13,252,855.99 is: 18,289,496.88
Step by Step Solution
- Step 1: Write the proportion equation
23,042,409.07 : 31,799,490.56 = 13,252,855.99 : x - Step 2: Convert to fraction form
23,042,409.07/31,799,490.56 = 13,252,855.99/x - Step 3: Cross multiply
23,042,409.07x = 31,799,490.56 × 13,252,855.99 - Step 4: Simplify right side
23,042,409.07x = 421,434,068,880,780.19 - Step 5: Solve for x
x = 421,434,068,880,780.19/23,042,409.07 - Step 6: Final answer
x = 18,289,496.88
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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.