Finding the Fourth Proportional to 33,216,514.56, 45,841,995.36 and 20,160,766.08
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Solution
The fourth proportional to 33,216,514.56, 45,841,995.36 and 20,160,766.08 is: 27,823,802.63
Step by Step Solution
- Step 1: Write the proportion equation
33,216,514.56 : 45,841,995.36 = 20,160,766.08 : x - Step 2: Convert to fraction form
33,216,514.56/45,841,995.36 = 20,160,766.08/x - Step 3: Cross multiply
33,216,514.56x = 45,841,995.36 × 20,160,766.08 - Step 4: Simplify right side
33,216,514.56x = 924,209,745,093,405.25 - Step 5: Solve for x
x = 924,209,745,093,405.25/33,216,514.56 - Step 6: Final answer
x = 27,823,802.63
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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.