Finding the Fourth Proportional to 26,752,163.94, 36,920,263.05 and 15,151,791.06
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Solution
The fourth proportional to 26,752,163.94, 36,920,263.05 and 15,151,791.06 is: 20,910,761.20
Step by Step Solution
- Step 1: Write the proportion equation
26,752,163.94 : 36,920,263.05 = 15,151,791.06 : x - Step 2: Convert to fraction form
26,752,163.94/36,920,263.05 = 15,151,791.06/x - Step 3: Cross multiply
26,752,163.94x = 36,920,263.05 × 15,151,791.06 - Step 4: Simplify right side
26,752,163.94x = 559,408,111,613,838.31 - Step 5: Solve for x
x = 559,408,111,613,838.31/26,752,163.94 - Step 6: Final answer
x = 20,910,761.20
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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.