Finding the Fourth Proportional to 22,558,996.36, 31,131,454.44 and 12,245,726.44
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Solution
The fourth proportional to 22,558,996.36, 31,131,454.44 and 12,245,726.44 is: 16,899,123.91
Step by Step Solution
- Step 1: Write the proportion equation
22,558,996.36 : 31,131,454.44 = 12,245,726.44 : x - Step 2: Convert to fraction form
22,558,996.36/31,131,454.44 = 12,245,726.44/x - Step 3: Cross multiply
22,558,996.36x = 31,131,454.44 × 12,245,726.44 - Step 4: Simplify right side
22,558,996.36x = 381,227,274,751,563.38 - Step 5: Solve for x
x = 381,227,274,751,563.38/22,558,996.36 - Step 6: Final answer
x = 16,899,123.91
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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.