Finding the Fourth Proportional to 39,033,452.62, 53,866,481.08 and 21,630,088.48
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Solution
The fourth proportional to 39,033,452.62, 53,866,481.08 and 21,630,088.48 is: 29,849,697.47
Step by Step Solution
- Step 1: Write the proportion equation
39,033,452.62 : 53,866,481.08 = 21,630,088.48 : x - Step 2: Convert to fraction form
39,033,452.62/53,866,481.08 = 21,630,088.48/x - Step 3: Cross multiply
39,033,452.62x = 53,866,481.08 × 21,630,088.48 - Step 4: Simplify right side
39,033,452.62x = 1,165,136,751,866,646 - Step 5: Solve for x
x = 1,165,136,751,866,646/39,033,452.62 - Step 6: Final answer
x = 29,849,697.47
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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.