Finding the Fourth Proportional to 29,073,837.51, 40,122,164.84 and 16,021,563.53
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Solution
The fourth proportional to 29,073,837.51, 40,122,164.84 and 16,021,563.53 is: 22,109,905.94
Step by Step Solution
- Step 1: Write the proportion equation
29,073,837.51 : 40,122,164.84 = 16,021,563.53 : x - Step 2: Convert to fraction form
29,073,837.51/40,122,164.84 = 16,021,563.53/x - Step 3: Cross multiply
29,073,837.51x = 40,122,164.84 × 16,021,563.53 - Step 4: Simplify right side
29,073,837.51x = 642,819,812,664,473.62 - Step 5: Solve for x
x = 642,819,812,664,473.62/29,073,837.51 - Step 6: Final answer
x = 22,109,905.94
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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.