Finding the Fourth Proportional to 18,905,106.36, 26,089,153.06 and 10,756,344.36
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Solution
The fourth proportional to 18,905,106.36, 26,089,153.06 and 10,756,344.36 is: 14,843,815.69
Step by Step Solution
- Step 1: Write the proportion equation
18,905,106.36 : 26,089,153.06 = 10,756,344.36 : x - Step 2: Convert to fraction form
18,905,106.36/26,089,153.06 = 10,756,344.36/x - Step 3: Cross multiply
18,905,106.36x = 26,089,153.06 × 10,756,344.36 - Step 4: Simplify right side
18,905,106.36x = 280,623,914,374,107.72 - Step 5: Solve for x
x = 280,623,914,374,107.72/18,905,106.36 - Step 6: Final answer
x = 14,843,815.69
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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.