Finding the Fourth Proportional to 19,318,331.44, 28,939,634.52 and 11,214,313.84
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Solution
The fourth proportional to 19,318,331.44, 28,939,634.52 and 11,214,313.84 is: 16,799,491.45
Step by Step Solution
- Step 1: Write the proportion equation
19,318,331.44 : 28,939,634.52 = 11,214,313.84 : x - Step 2: Convert to fraction form
19,318,331.44/28,939,634.52 = 11,214,313.84/x - Step 3: Cross multiply
19,318,331.44x = 28,939,634.52 × 11,214,313.84 - Step 4: Simplify right side
19,318,331.44x = 324,538,143,922,177.75 - Step 5: Solve for x
x = 324,538,143,922,177.75/19,318,331.44 - Step 6: Final answer
x = 16,799,491.45
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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.