Finding the Fourth Proportional to 39,033,450.63, 53,866,478.31 and 21,630,086.48
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Solution
The fourth proportional to 39,033,450.63, 53,866,478.31 and 21,630,086.48 is: 29,849,694.70
Step by Step Solution
- Step 1: Write the proportion equation
39,033,450.63 : 53,866,478.31 = 21,630,086.48 : x - Step 2: Convert to fraction form
39,033,450.63/53,866,478.31 = 21,630,086.48/x - Step 3: Cross multiply
39,033,450.63x = 53,866,478.31 × 21,630,086.48 - Step 4: Simplify right side
39,033,450.63x = 1,165,136,584,218,344.25 - Step 5: Solve for x
x = 1,165,136,584,218,344.25/39,033,450.63 - Step 6: Final answer
x = 29,849,694.70
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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.