Finding the Fourth Proportional to 10,441,382.20, 15,649,631.70 and 4,376,102.20
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Solution
The fourth proportional to 10,441,382.20, 15,649,631.70 and 4,376,102.20 is: 6,558,938.88
Step by Step Solution
- Step 1: Write the proportion equation
10,441,382.20 : 15,649,631.70 = 4,376,102.20 : x - Step 2: Convert to fraction form
10,441,382.20/15,649,631.70 = 4,376,102.20/x - Step 3: Cross multiply
10,441,382.20x = 15,649,631.70 × 4,376,102.20 - Step 4: Simplify right side
10,441,382.20x = 68,484,387,711,559.74 - Step 5: Solve for x
x = 68,484,387,711,559.74/10,441,382.20 - Step 6: Final answer
x = 6,558,938.88
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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.