Finding the Fourth Proportional to 10,348,908.70, 15,523,363.05 and 10,278,049.90
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Solution
The fourth proportional to 10,348,908.70, 15,523,363.05 and 10,278,049.90 is: 15,417,074.85
Step by Step Solution
- Step 1: Write the proportion equation
10,348,908.70 : 15,523,363.05 = 10,278,049.90 : x - Step 2: Convert to fraction form
10,348,908.70/15,523,363.05 = 10,278,049.90/x - Step 3: Cross multiply
10,348,908.70x = 15,523,363.05 × 10,278,049.90 - Step 4: Simplify right side
10,348,908.70x = 159,549,900,043,716.22 - Step 5: Solve for x
x = 159,549,900,043,716.22/10,348,908.70 - Step 6: Final answer
x = 15,417,074.85
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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.