Finding the Fourth Proportional to 30,188,516.94, 45,197,739.99 and 27,127,416.78
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Solution
The fourth proportional to 30,188,516.94, 45,197,739.99 and 27,127,416.78 is: 40,614,712.30
Step by Step Solution
- Step 1: Write the proportion equation
30,188,516.94 : 45,197,739.99 = 27,127,416.78 : x - Step 2: Convert to fraction form
30,188,516.94/45,197,739.99 = 27,127,416.78/x - Step 3: Cross multiply
30,188,516.94x = 45,197,739.99 × 27,127,416.78 - Step 4: Simplify right side
30,188,516.94x = 1,226,097,930,222,803.25 - Step 5: Solve for x
x = 1,226,097,930,222,803.25/30,188,516.94 - Step 6: Final answer
x = 40,614,712.30
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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.