Finding the Fourth Proportional to 18,471,344.01, 27,711,530.97 and 13,017,079.02
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Solution
The fourth proportional to 18,471,344.01, 27,711,530.97 and 13,017,079.02 is: 19,528,800.30
Step by Step Solution
- Step 1: Write the proportion equation
18,471,344.01 : 27,711,530.97 = 13,017,079.02 : x - Step 2: Convert to fraction form
18,471,344.01/27,711,530.97 = 13,017,079.02/x - Step 3: Cross multiply
18,471,344.01x = 27,711,530.97 × 13,017,079.02 - Step 4: Simplify right side
18,471,344.01x = 360,723,188,401,667.25 - Step 5: Solve for x
x = 360,723,188,401,667.25/18,471,344.01 - Step 6: Final answer
x = 19,528,800.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.