Finding the Fourth Proportional to 18,203,041.32, 27,308,634.66 and 6,843,588.36
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Solution
The fourth proportional to 18,203,041.32, 27,308,634.66 and 6,843,588.36 is: 10,266,913.70
Step by Step Solution
- Step 1: Write the proportion equation
18,203,041.32 : 27,308,634.66 = 6,843,588.36 : x - Step 2: Convert to fraction form
18,203,041.32/27,308,634.66 = 6,843,588.36/x - Step 3: Cross multiply
18,203,041.32x = 27,308,634.66 × 6,843,588.36 - Step 4: Simplify right side
18,203,041.32x = 186,889,054,286,668.56 - Step 5: Solve for x
x = 186,889,054,286,668.56/18,203,041.32 - Step 6: Final answer
x = 10,266,913.70
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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.