Finding the Fourth Proportional to 18,363,695.60, 27,544,668.60 and 6,231,969.20
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Solution
The fourth proportional to 18,363,695.60, 27,544,668.60 and 6,231,969.20 is: 9,347,656.92
Step by Step Solution
- Step 1: Write the proportion equation
18,363,695.60 : 27,544,668.60 = 6,231,969.20 : x - Step 2: Convert to fraction form
18,363,695.60/27,544,668.60 = 6,231,969.20/x - Step 3: Cross multiply
18,363,695.60x = 27,544,668.60 × 6,231,969.20 - Step 4: Simplify right side
18,363,695.60x = 171,657,526,339,407.12 - Step 5: Solve for x
x = 171,657,526,339,407.12/18,363,695.60 - Step 6: Final answer
x = 9,347,656.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.