Finding the Fourth Proportional to 18,232,858.26, 27,349,333.71 and 7,450,159.12
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Solution
The fourth proportional to 18,232,858.26, 27,349,333.71 and 7,450,159.12 is: 11,175,257.60
Step by Step Solution
- Step 1: Write the proportion equation
18,232,858.26 : 27,349,333.71 = 7,450,159.12 : x - Step 2: Convert to fraction form
18,232,858.26/27,349,333.71 = 7,450,159.12/x - Step 3: Cross multiply
18,232,858.26x = 27,349,333.71 × 7,450,159.12 - Step 4: Simplify right side
18,232,858.26x = 203,756,887,897,106.59 - Step 5: Solve for x
x = 203,756,887,897,106.59/18,232,858.26 - Step 6: Final answer
x = 11,175,257.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.