Finding the Fourth Proportional to 18,727,407.36, 25,844,935.68 and 10,467,895.68
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Solution
The fourth proportional to 18,727,407.36, 25,844,935.68 and 10,467,895.68 is: 14,446,318.45
Step by Step Solution
- Step 1: Write the proportion equation
18,727,407.36 : 25,844,935.68 = 10,467,895.68 : x - Step 2: Convert to fraction form
18,727,407.36/25,844,935.68 = 10,467,895.68/x - Step 3: Cross multiply
18,727,407.36x = 25,844,935.68 × 10,467,895.68 - Step 4: Simplify right side
18,727,407.36x = 270,542,090,554,549.84 - Step 5: Solve for x
x = 270,542,090,554,549.84/18,727,407.36 - Step 6: Final answer
x = 14,446,318.45
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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.