Finding the Fourth Proportional to 18,438,481.08, 27,651,228.80 and 6,139,104.32
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Solution
The fourth proportional to 18,438,481.08, 27,651,228.80 and 6,139,104.32 is: 9,206,494.69
Step by Step Solution
- Step 1: Write the proportion equation
18,438,481.08 : 27,651,228.80 = 6,139,104.32 : x - Step 2: Convert to fraction form
18,438,481.08/27,651,228.80 = 6,139,104.32/x - Step 3: Cross multiply
18,438,481.08x = 27,651,228.80 × 6,139,104.32 - Step 4: Simplify right side
18,438,481.08x = 169,753,778,179,388.44 - Step 5: Solve for x
x = 169,753,778,179,388.44/18,438,481.08 - Step 6: Final answer
x = 9,206,494.69
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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.