Finding the Fourth Proportional to 18,450,494.99, 25,461,531.71 and 10,077,870.09
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Solution
The fourth proportional to 18,450,494.99, 25,461,531.71 and 10,077,870.09 is: 13,907,378.04
Step by Step Solution
- Step 1: Write the proportion equation
18,450,494.99 : 25,461,531.71 = 10,077,870.09 : x - Step 2: Convert to fraction form
18,450,494.99/25,461,531.71 = 10,077,870.09/x - Step 3: Cross multiply
18,450,494.99x = 25,461,531.71 × 10,077,870.09 - Step 4: Simplify right side
18,450,494.99x = 256,598,008,815,406.19 - Step 5: Solve for x
x = 256,598,008,815,406.19/18,450,494.99 - Step 6: Final answer
x = 13,907,378.04
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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.