Finding the Fourth Proportional to 18,463,341.44, 27,670,255.66 and 14,369,605.40
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Solution
The fourth proportional to 18,463,341.44, 27,670,255.66 and 14,369,605.40 is: 21,535,140.67
Step by Step Solution
- Step 1: Write the proportion equation
18,463,341.44 : 27,670,255.66 = 14,369,605.40 : x - Step 2: Convert to fraction form
18,463,341.44/27,670,255.66 = 14,369,605.40/x - Step 3: Cross multiply
18,463,341.44x = 27,670,255.66 × 14,369,605.40 - Step 4: Simplify right side
18,463,341.44x = 397,610,655,151,316.56 - Step 5: Solve for x
x = 397,610,655,151,316.56/18,463,341.44 - Step 6: Final answer
x = 21,535,140.67
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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.