Finding the Fourth Proportional to 18,065,146.42, 24,929,839.84 and 9,805,208.28
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Solution
The fourth proportional to 18,065,146.42, 24,929,839.84 and 9,805,208.28 is: 13,531,153.66
Step by Step Solution
- Step 1: Write the proportion equation
18,065,146.42 : 24,929,839.84 = 9,805,208.28 : x - Step 2: Convert to fraction form
18,065,146.42/24,929,839.84 = 9,805,208.28/x - Step 3: Cross multiply
18,065,146.42x = 24,929,839.84 × 9,805,208.28 - Step 4: Simplify right side
18,065,146.42x = 244,442,272,018,241.84 - Step 5: Solve for x
x = 244,442,272,018,241.84/18,065,146.42 - Step 6: Final answer
x = 13,531,153.66
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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.