Finding the Fourth Proportional to 9,642,087.63, 13,306,464.57 and 5,291,329.63
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Solution
The fourth proportional to 9,642,087.63, 13,306,464.57 and 5,291,329.63 is: 7,302,245.42
Step by Step Solution
- Step 1: Write the proportion equation
9,642,087.63 : 13,306,464.57 = 5,291,329.63 : x - Step 2: Convert to fraction form
9,642,087.63/13,306,464.57 = 5,291,329.63/x - Step 3: Cross multiply
9,642,087.63x = 13,306,464.57 × 5,291,329.63 - Step 4: Simplify right side
9,642,087.63x = 70,408,890,254,092.31 - Step 5: Solve for x
x = 70,408,890,254,092.31/9,642,087.63 - Step 6: Final answer
x = 7,302,245.42
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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.