Finding the Fourth Proportional to 29,967,435.03, 41,339,826.51 and 18,203,582.28
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Solution
The fourth proportional to 29,967,435.03, 41,339,826.51 and 18,203,582.28 is: 25,111,689.82
Step by Step Solution
- Step 1: Write the proportion equation
29,967,435.03 : 41,339,826.51 = 18,203,582.28 : x - Step 2: Convert to fraction form
29,967,435.03/41,339,826.51 = 18,203,582.28/x - Step 3: Cross multiply
29,967,435.03x = 41,339,826.51 × 18,203,582.28 - Step 4: Simplify right side
29,967,435.03x = 752,532,933,315,710.25 - Step 5: Solve for x
x = 752,532,933,315,710.25/29,967,435.03 - Step 6: Final answer
x = 25,111,689.82
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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.