Finding the Fourth Proportional to 26,286,236.13, 39,265,434.21 and 19,476,110.35
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Solution
The fourth proportional to 26,286,236.13, 39,265,434.21 and 19,476,110.35 is: 29,092,713.22
Step by Step Solution
- Step 1: Write the proportion equation
26,286,236.13 : 39,265,434.21 = 19,476,110.35 : x - Step 2: Convert to fraction form
26,286,236.13/39,265,434.21 = 19,476,110.35/x - Step 3: Cross multiply
26,286,236.13x = 39,265,434.21 × 19,476,110.35 - Step 4: Simplify right side
26,286,236.13x = 764,737,929,320,917.25 - Step 5: Solve for x
x = 764,737,929,320,917.25/26,286,236.13 - Step 6: Final answer
x = 29,092,713.22
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.