Finding the Fourth Proportional to 19,793,236.56, 29,639,453.40 and 13,041,180.24
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Solution
The fourth proportional to 19,793,236.56, 29,639,453.40 and 13,041,180.24 is: 19,528,562.34
Step by Step Solution
- Step 1: Write the proportion equation
19,793,236.56 : 29,639,453.40 = 13,041,180.24 : x - Step 2: Convert to fraction form
19,793,236.56/29,639,453.40 = 13,041,180.24/x - Step 3: Cross multiply
19,793,236.56x = 29,639,453.40 × 13,041,180.24 - Step 4: Simplify right side
19,793,236.56x = 386,533,454,004,480.81 - Step 5: Solve for x
x = 386,533,454,004,480.81/19,793,236.56 - Step 6: Final answer
x = 19,528,562.34
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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.