Finding the Fourth Proportional to 10,457,101.60, 15,673,988.40 and 4,065,229.60
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Solution
The fourth proportional to 10,457,101.60, 15,673,988.40 and 4,065,229.60 is: 6,093,309.99
Step by Step Solution
- Step 1: Write the proportion equation
10,457,101.60 : 15,673,988.40 = 4,065,229.60 : x - Step 2: Convert to fraction form
10,457,101.60/15,673,988.40 = 4,065,229.60/x - Step 3: Cross multiply
10,457,101.60x = 15,673,988.40 × 4,065,229.60 - Step 4: Simplify right side
10,457,101.60x = 63,718,361,593,736.64 - Step 5: Solve for x
x = 63,718,361,593,736.64/10,457,101.60 - Step 6: Final answer
x = 6,093,309.99
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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.