Finding the Fourth Proportional to 19,218,235.01, 26,521,163.25 and 10,516,408.67
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Solution
The fourth proportional to 19,218,235.01, 26,521,163.25 and 10,516,408.67 is: 14,512,643.38
Step by Step Solution
- Step 1: Write the proportion equation
19,218,235.01 : 26,521,163.25 = 10,516,408.67 : x - Step 2: Convert to fraction form
19,218,235.01/26,521,163.25 = 10,516,408.67/x - Step 3: Cross multiply
19,218,235.01x = 26,521,163.25 × 10,516,408.67 - Step 4: Simplify right side
19,218,235.01x = 278,907,391,140,785.38 - Step 5: Solve for x
x = 278,907,391,140,785.38/19,218,235.01 - Step 6: Final answer
x = 14,512,643.38
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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.