Finding the Fourth Proportional to 18,306,647.96, 27,459,973.31 and 14,266,159.97
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Solution
The fourth proportional to 18,306,647.96, 27,459,973.31 and 14,266,159.97 is: 21,399,241.02
Step by Step Solution
- Step 1: Write the proportion equation
18,306,647.96 : 27,459,973.31 = 14,266,159.97 : x - Step 2: Convert to fraction form
18,306,647.96/27,459,973.31 = 14,266,159.97/x - Step 3: Cross multiply
18,306,647.96x = 27,459,973.31 × 14,266,159.97 - Step 4: Simplify right side
18,306,647.96x = 391,748,371,803,759.75 - Step 5: Solve for x
x = 391,748,371,803,759.75/18,306,647.96 - Step 6: Final answer
x = 21,399,241.02
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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.