Finding the Fourth Proportional to 29,396,768.48, 40,569,810.36 and 17,636,477.84
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Solution
The fourth proportional to 29,396,768.48, 40,569,810.36 and 17,636,477.84 is: 24,339,701.21
Step by Step Solution
- Step 1: Write the proportion equation
29,396,768.48 : 40,569,810.36 = 17,636,477.84 : x - Step 2: Convert to fraction form
29,396,768.48/40,569,810.36 = 17,636,477.84/x - Step 3: Cross multiply
29,396,768.48x = 40,569,810.36 × 17,636,477.84 - Step 4: Simplify right side
29,396,768.48x = 715,508,561,387,142.38 - Step 5: Solve for x
x = 715,508,561,387,142.38/29,396,768.48 - Step 6: Final answer
x = 24,339,701.21
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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.