Finding the Fourth Proportional to 19,800,426.24, 27,325,850.99 and 11,098,601.10
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Solution
The fourth proportional to 19,800,426.24, 27,325,850.99 and 11,098,601.10 is: 15,316,777.33
Step by Step Solution
- Step 1: Write the proportion equation
19,800,426.24 : 27,325,850.99 = 11,098,601.10 : x - Step 2: Convert to fraction form
19,800,426.24/27,325,850.99 = 11,098,601.10/x - Step 3: Cross multiply
19,800,426.24x = 27,325,850.99 × 11,098,601.10 - Step 4: Simplify right side
19,800,426.24x = 303,278,719,800,557.06 - Step 5: Solve for x
x = 303,278,719,800,557.06/19,800,426.24 - Step 6: Final answer
x = 15,316,777.33
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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.