Finding the Fourth Proportional to 23,057,965.42, 31,820,668.98 and 12,604,559.44
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Solution
The fourth proportional to 23,057,965.42, 31,820,668.98 and 12,604,559.44 is: 17,394,661.94
Step by Step Solution
- Step 1: Write the proportion equation
23,057,965.42 : 31,820,668.98 = 12,604,559.44 : x - Step 2: Convert to fraction form
23,057,965.42/31,820,668.98 = 12,604,559.44/x - Step 3: Cross multiply
23,057,965.42x = 31,820,668.98 × 12,604,559.44 - Step 4: Simplify right side
23,057,965.42x = 401,085,513,578,974.19 - Step 5: Solve for x
x = 401,085,513,578,974.19/23,057,965.42 - Step 6: Final answer
x = 17,394,661.94
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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.