Finding the Fourth Proportional to 18,221,429.99, 27,351,056.81 and 10,560,043.67
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Solution
The fourth proportional to 18,221,429.99, 27,351,056.81 and 10,560,043.67 is: 15,851,025.65
Step by Step Solution
- Step 1: Write the proportion equation
18,221,429.99 : 27,351,056.81 = 10,560,043.67 : x - Step 2: Convert to fraction form
18,221,429.99/27,351,056.81 = 10,560,043.67/x - Step 3: Cross multiply
18,221,429.99x = 27,351,056.81 × 10,560,043.67 - Step 4: Simplify right side
18,221,429.99x = 288,828,354,144,695.38 - Step 5: Solve for x
x = 288,828,354,144,695.38/18,221,429.99 - Step 6: Final answer
x = 15,851,025.65
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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.