Finding the Fourth Proportional to 37,514,182.20, 51,768,459.09 and 20,769,668.07
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Solution
The fourth proportional to 37,514,182.20, 51,768,459.09 and 20,769,668.07 is: 28,661,526.09
Step by Step Solution
- Step 1: Write the proportion equation
37,514,182.20 : 51,768,459.09 = 20,769,668.07 : x - Step 2: Convert to fraction form
37,514,182.20/51,768,459.09 = 20,769,668.07/x - Step 3: Cross multiply
37,514,182.20x = 51,768,459.09 × 20,769,668.07 - Step 4: Simplify right side
37,514,182.20x = 1,075,213,711,794,674.38 - Step 5: Solve for x
x = 1,075,213,711,794,674.38/37,514,182.20 - Step 6: Final answer
x = 28,661,526.09
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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.