Finding the Fourth Proportional to 22,558,995.36, 31,131,453.06 and 12,245,725.44
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Solution
The fourth proportional to 22,558,995.36, 31,131,453.06 and 12,245,725.44 is: 16,899,122.53
Step by Step Solution
- Step 1: Write the proportion equation
22,558,995.36 : 31,131,453.06 = 12,245,725.44 : x - Step 2: Convert to fraction form
22,558,995.36/31,131,453.06 = 12,245,725.44/x - Step 3: Cross multiply
22,558,995.36x = 31,131,453.06 × 12,245,725.44 - Step 4: Simplify right side
22,558,995.36x = 381,227,226,721,007.81 - Step 5: Solve for x
x = 381,227,226,721,007.81/22,558,995.36 - Step 6: Final answer
x = 16,899,122.53
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1.5x scale
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.