Finding the Fourth Proportional to 21,730,546.48, 29,958,188.70 and 17,335,190.08
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Solution
The fourth proportional to 21,730,546.48, 29,958,188.70 and 17,335,190.08 is: 23,898,657.87
Step by Step Solution
- Step 1: Write the proportion equation
21,730,546.48 : 29,958,188.70 = 17,335,190.08 : x - Step 2: Convert to fraction form
21,730,546.48/29,958,188.70 = 17,335,190.08/x - Step 3: Cross multiply
21,730,546.48x = 29,958,188.70 × 17,335,190.08 - Step 4: Simplify right side
21,730,546.48x = 519,330,895,567,008 - Step 5: Solve for x
x = 519,330,895,567,008/21,730,546.48 - Step 6: Final answer
x = 23,898,657.87
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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.