Finding the Fourth Proportional to 16,261,665.38, 22,446,122.55 and 10,460,447.63
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Solution
The fourth proportional to 16,261,665.38, 22,446,122.55 and 10,460,447.63 is: 14,438,649.66
Step by Step Solution
- Step 1: Write the proportion equation
16,261,665.38 : 22,446,122.55 = 10,460,447.63 : x - Step 2: Convert to fraction form
16,261,665.38/22,446,122.55 = 10,460,447.63/x - Step 3: Cross multiply
16,261,665.38x = 22,446,122.55 × 10,460,447.63 - Step 4: Simplify right side
16,261,665.38x = 234,796,489,318,606.44 - Step 5: Solve for x
x = 234,796,489,318,606.44/16,261,665.38 - Step 6: Final answer
x = 14,438,649.66
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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.