Finding the Fourth Proportional to 38,847,614.93, 53,610,977.46 and 21,207,458.08
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Solution
The fourth proportional to 38,847,614.93, 53,610,977.46 and 21,207,458.08 is: 29,266,984.83
Step by Step Solution
- Step 1: Write the proportion equation
38,847,614.93 : 53,610,977.46 = 21,207,458.08 : x - Step 2: Convert to fraction form
38,847,614.93/53,610,977.46 = 21,207,458.08/x - Step 3: Cross multiply
38,847,614.93x = 53,610,977.46 × 21,207,458.08 - Step 4: Simplify right side
38,847,614.93x = 1,136,952,556,842,720 - Step 5: Solve for x
x = 1,136,952,556,842,720/38,847,614.93 - Step 6: Final answer
x = 29,266,984.83
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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.