Finding the Fourth Proportional to 18,340,631.60, 27,510,072.60 and 6,208,905.20
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Solution
The fourth proportional to 18,340,631.60, 27,510,072.60 and 6,208,905.20 is: 9,313,061.65
Step by Step Solution
- Step 1: Write the proportion equation
18,340,631.60 : 27,510,072.60 = 6,208,905.20 : x - Step 2: Convert to fraction form
18,340,631.60/27,510,072.60 = 6,208,905.20/x - Step 3: Cross multiply
18,340,631.60x = 27,510,072.60 × 6,208,905.20 - Step 4: Simplify right side
18,340,631.60x = 170,807,432,818,517.53 - Step 5: Solve for x
x = 170,807,432,818,517.53/18,340,631.60 - Step 6: Final answer
x = 9,313,061.65
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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.