Finding the Fourth Proportional to 19,932,214.40, 29,898,321.60 and 17,979,660.80
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Solution
The fourth proportional to 19,932,214.40, 29,898,321.60 and 17,979,660.80 is: 26,969,491.20
Step by Step Solution
- Step 1: Write the proportion equation
19,932,214.40 : 29,898,321.60 = 17,979,660.80 : x - Step 2: Convert to fraction form
19,932,214.40/29,898,321.60 = 17,979,660.80/x - Step 3: Cross multiply
19,932,214.40x = 29,898,321.60 × 17,979,660.80 - Step 4: Simplify right side
19,932,214.40x = 537,561,680,857,313.31 - Step 5: Solve for x
x = 537,561,680,857,313.31/19,932,214.40 - Step 6: Final answer
x = 26,969,491.20
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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.