Finding the Fourth Proportional to 21,549,203.63, 29,738,532.65 and 11,760,277.21
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Solution
The fourth proportional to 21,549,203.63, 29,738,532.65 and 11,760,277.21 is: 16,229,527.26
Step by Step Solution
- Step 1: Write the proportion equation
21,549,203.63 : 29,738,532.65 = 11,760,277.21 : x - Step 2: Convert to fraction form
21,549,203.63/29,738,532.65 = 11,760,277.21/x - Step 3: Cross multiply
21,549,203.63x = 29,738,532.65 × 11,760,277.21 - Step 4: Simplify right side
21,549,203.63x = 349,733,387,748,721.38 - Step 5: Solve for x
x = 349,733,387,748,721.38/21,549,203.63 - Step 6: Final answer
x = 16,229,527.26
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1.5x scale
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.