Finding the Fourth Proportional to 22,428,034.58, 33,642,051.87 and 18,442,227.08
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Solution
The fourth proportional to 22,428,034.58, 33,642,051.87 and 18,442,227.08 is: 27,663,340.62
Step by Step Solution
- Step 1: Write the proportion equation
22,428,034.58 : 33,642,051.87 = 18,442,227.08 : x - Step 2: Convert to fraction form
22,428,034.58/33,642,051.87 = 18,442,227.08/x - Step 3: Cross multiply
22,428,034.58x = 33,642,051.87 × 18,442,227.08 - Step 4: Simplify right side
22,428,034.58x = 620,434,359,855,468.25 - Step 5: Solve for x
x = 620,434,359,855,468.25/22,428,034.58 - Step 6: Final answer
x = 27,663,340.62
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1.5x scale
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.