Finding the Fourth Proportional to 18,598,889.44, 27,898,618.38 and 7,084,995.94
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Solution
The fourth proportional to 18,598,889.44, 27,898,618.38 and 7,084,995.94 is: 10,627,602.18
Step by Step Solution
- Step 1: Write the proportion equation
18,598,889.44 : 27,898,618.38 = 7,084,995.94 : x - Step 2: Convert to fraction form
18,598,889.44/27,898,618.38 = 7,084,995.94/x - Step 3: Cross multiply
18,598,889.44x = 27,898,618.38 × 7,084,995.94 - Step 4: Simplify right side
18,598,889.44x = 197,661,597,953,909.38 - Step 5: Solve for x
x = 197,661,597,953,909.38/18,598,889.44 - Step 6: Final answer
x = 10,627,602.18
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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.