Finding the Fourth Proportional to 19,481,448.23, 26,884,225.38 and 11,640,534.73
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Solution
The fourth proportional to 19,481,448.23, 26,884,225.38 and 11,640,534.73 is: 16,063,834.45
Step by Step Solution
- Step 1: Write the proportion equation
19,481,448.23 : 26,884,225.38 = 11,640,534.73 : x - Step 2: Convert to fraction form
19,481,448.23/26,884,225.38 = 11,640,534.73/x - Step 3: Cross multiply
19,481,448.23x = 26,884,225.38 × 11,640,534.73 - Step 4: Simplify right side
19,481,448.23x = 312,946,759,225,037.44 - Step 5: Solve for x
x = 312,946,759,225,037.44/19,481,448.23 - Step 6: Final answer
x = 16,063,834.45
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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.