Finding the Fourth Proportional to 32,811,143.42, 45,279,231.18 and 18,126,812.18
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Solution
The fourth proportional to 32,811,143.42, 45,279,231.18 and 18,126,812.18 is: 25,014,919.74
Step by Step Solution
- Step 1: Write the proportion equation
32,811,143.42 : 45,279,231.18 = 18,126,812.18 : x - Step 2: Convert to fraction form
32,811,143.42/45,279,231.18 = 18,126,812.18/x - Step 3: Cross multiply
32,811,143.42x = 45,279,231.18 × 18,126,812.18 - Step 4: Simplify right side
32,811,143.42x = 820,768,119,254,659.75 - Step 5: Solve for x
x = 820,768,119,254,659.75/32,811,143.42 - Step 6: Final answer
x = 25,014,919.74
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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.