Finding the Fourth Proportional to 18,232,395.44, 27,338,497.07 and 7,457,263.25
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Solution
The fourth proportional to 18,232,395.44, 27,338,497.07 and 7,457,263.25 is: 11,181,765.45
Step by Step Solution
- Step 1: Write the proportion equation
18,232,395.44 : 27,338,497.07 = 7,457,263.25 : x - Step 2: Convert to fraction form
18,232,395.44/27,338,497.07 = 7,457,263.25/x - Step 3: Cross multiply
18,232,395.44x = 27,338,497.07 × 7,457,263.25 - Step 4: Simplify right side
18,232,395.44x = 203,870,369,336,364.88 - Step 5: Solve for x
x = 203,870,369,336,364.88/18,232,395.44 - Step 6: Final answer
x = 11,181,765.45
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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.