Finding the Fourth Proportional to 18,404,720.64, 25,389,180.51 and 14,046,240.12
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Solution
The fourth proportional to 18,404,720.64, 25,389,180.51 and 14,046,240.12 is: 19,376,687.80
Step by Step Solution
- Step 1: Write the proportion equation
18,404,720.64 : 25,389,180.51 = 14,046,240.12 : x - Step 2: Convert to fraction form
18,404,720.64/25,389,180.51 = 14,046,240.12/x - Step 3: Cross multiply
18,404,720.64x = 25,389,180.51 × 14,046,240.12 - Step 4: Simplify right side
18,404,720.64x = 356,622,525,893,484.06 - Step 5: Solve for x
x = 356,622,525,893,484.06/18,404,720.64 - Step 6: Final answer
x = 19,376,687.80
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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.