Finding the Fourth Proportional to 13,165,359.99, 19,740,939.39 and 5,972,969.58
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Solution
The fourth proportional to 13,165,359.99, 19,740,939.39 and 5,972,969.58 is: 8,956,232.91
Step by Step Solution
- Step 1: Write the proportion equation
13,165,359.99 : 19,740,939.39 = 5,972,969.58 : x - Step 2: Convert to fraction form
13,165,359.99/19,740,939.39 = 5,972,969.58/x - Step 3: Cross multiply
13,165,359.99x = 19,740,939.39 × 5,972,969.58 - Step 4: Simplify right side
13,165,359.99x = 117,912,030,457,093.77 - Step 5: Solve for x
x = 117,912,030,457,093.77/13,165,359.99 - Step 6: Final answer
x = 8,956,232.91
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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.