Finding the Fourth Proportional to 22,488,135.33, 31,017,842.94 and 15,521,608.08
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Solution
The fourth proportional to 22,488,135.33, 31,017,842.94 and 15,521,608.08 is: 21,408,924.95
Step by Step Solution
- Step 1: Write the proportion equation
22,488,135.33 : 31,017,842.94 = 15,521,608.08 : x - Step 2: Convert to fraction form
22,488,135.33/31,017,842.94 = 15,521,608.08/x - Step 3: Cross multiply
22,488,135.33x = 31,017,842.94 × 15,521,608.08 - Step 4: Simplify right side
22,488,135.33x = 481,446,801,601,675 - Step 5: Solve for x
x = 481,446,801,601,675/22,488,135.33 - Step 6: Final answer
x = 21,408,924.95
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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.