Finding the Fourth Proportional to 20,173,273.44, 27,837,983.16 and 11,473,562.40
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Solution
The fourth proportional to 20,173,273.44, 27,837,983.16 and 11,473,562.40 is: 15,832,871.04
Step by Step Solution
- Step 1: Write the proportion equation
20,173,273.44 : 27,837,983.16 = 11,473,562.40 : x - Step 2: Convert to fraction form
20,173,273.44/27,837,983.16 = 11,473,562.40/x - Step 3: Cross multiply
20,173,273.44x = 27,837,983.16 × 11,473,562.40 - Step 4: Simplify right side
20,173,273.44x = 319,400,836,876,409.19 - Step 5: Solve for x
x = 319,400,836,876,409.19/20,173,273.44 - Step 6: Final answer
x = 15,832,871.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.