Finding the Fourth Proportional to 20,100,722.18, 30,150,085.44 and 6,454,536.62
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Solution
The fourth proportional to 20,100,722.18, 30,150,085.44 and 6,454,536.62 is: 9,681,484.52
Step by Step Solution
- Step 1: Write the proportion equation
20,100,722.18 : 30,150,085.44 = 6,454,536.62 : x - Step 2: Convert to fraction form
20,100,722.18/30,150,085.44 = 6,454,536.62/x - Step 3: Cross multiply
20,100,722.18x = 30,150,085.44 × 6,454,536.62 - Step 4: Simplify right side
20,100,722.18x = 194,604,830,568,608.81 - Step 5: Solve for x
x = 194,604,830,568,608.81/20,100,722.18 - Step 6: Final answer
x = 9,681,484.52
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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.