Finding the Fourth Proportional to 11,840,253.21, 16,339,549.28 and 6,407,745.21
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Solution
The fourth proportional to 11,840,253.21, 16,339,549.28 and 6,407,745.21 is: 8,842,688.31
Step by Step Solution
- Step 1: Write the proportion equation
11,840,253.21 : 16,339,549.28 = 6,407,745.21 : x - Step 2: Convert to fraction form
11,840,253.21/16,339,549.28 = 6,407,745.21/x - Step 3: Cross multiply
11,840,253.21x = 16,339,549.28 × 6,407,745.21 - Step 4: Simplify right side
11,840,253.21x = 104,699,668,600,440.22 - Step 5: Solve for x
x = 104,699,668,600,440.22/11,840,253.21 - Step 6: Final answer
x = 8,842,688.31
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1.5x scale
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.