Finding the Fourth Proportional to 16,449,670.68, 22,699,804.68 and 9,106,988.28
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Solution
The fourth proportional to 16,449,670.68, 22,699,804.68 and 9,106,988.28 is: 12,567,233.67
Step by Step Solution
- Step 1: Write the proportion equation
16,449,670.68 : 22,699,804.68 = 9,106,988.28 : x - Step 2: Convert to fraction form
16,449,670.68/22,699,804.68 = 9,106,988.28/x - Step 3: Cross multiply
16,449,670.68x = 22,699,804.68 × 9,106,988.28 - Step 4: Simplify right side
16,449,670.68x = 206,726,855,179,049.12 - Step 5: Solve for x
x = 206,726,855,179,049.12/16,449,670.68 - Step 6: Final answer
x = 12,567,233.67
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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.