Finding the Fourth Proportional to 8,215,753.23, 12,324,750.80 and 3,422,321.49
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Solution
The fourth proportional to 8,215,753.23, 12,324,750.80 and 3,422,321.49 is: 5,133,949.18
Step by Step Solution
- Step 1: Write the proportion equation
8,215,753.23 : 12,324,750.80 = 3,422,321.49 : x - Step 2: Convert to fraction form
8,215,753.23/12,324,750.80 = 3,422,321.49/x - Step 3: Cross multiply
8,215,753.23x = 12,324,750.80 × 3,422,321.49 - Step 4: Simplify right side
8,215,753.23x = 42,179,259,521,734.70 - Step 5: Solve for x
x = 42,179,259,521,734.70/8,215,753.23 - Step 6: Final answer
x = 5,133,949.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.