Finding the Fourth Proportional to 19,655,816.51, 27,125,117.66 and 11,400,766.31
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Solution
The fourth proportional to 19,655,816.51, 27,125,117.66 and 11,400,766.31 is: 15,733,110.21
Step by Step Solution
- Step 1: Write the proportion equation
19,655,816.51 : 27,125,117.66 = 11,400,766.31 : x - Step 2: Convert to fraction form
19,655,816.51/27,125,117.66 = 11,400,766.31/x - Step 3: Cross multiply
19,655,816.51x = 27,125,117.66 × 11,400,766.31 - Step 4: Simplify right side
19,655,816.51x = 309,247,127,515,910.25 - Step 5: Solve for x
x = 309,247,127,515,910.25/19,655,816.51 - Step 6: Final answer
x = 15,733,110.21
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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.