Finding the Fourth Proportional to 19,585,839.80, 29,343,330.30 and 16,751,487.80
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Solution
The fourth proportional to 19,585,839.80, 29,343,330.30 and 16,751,487.80 is: 25,096,929.44
Step by Step Solution
- Step 1: Write the proportion equation
19,585,839.80 : 29,343,330.30 = 16,751,487.80 : x - Step 2: Convert to fraction form
19,585,839.80/29,343,330.30 = 16,751,487.80/x - Step 3: Cross multiply
19,585,839.80x = 29,343,330.30 × 16,751,487.80 - Step 4: Simplify right side
19,585,839.80x = 491,544,439,531,820.38 - Step 5: Solve for x
x = 491,544,439,531,820.38/19,585,839.80 - Step 6: Final answer
x = 25,096,929.44
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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.