Finding the Fourth Proportional to 12,313,154.70, 18,453,625.65 and 6,621,122.70
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Solution
The fourth proportional to 12,313,154.70, 18,453,625.65 and 6,621,122.70 is: 9,923,023.19
Step by Step Solution
- Step 1: Write the proportion equation
12,313,154.70 : 18,453,625.65 = 6,621,122.70 : x - Step 2: Convert to fraction form
12,313,154.70/18,453,625.65 = 6,621,122.70/x - Step 3: Cross multiply
12,313,154.70x = 18,453,625.65 × 6,621,122.70 - Step 4: Simplify right side
12,313,154.70x = 122,183,719,688,517.25 - Step 5: Solve for x
x = 122,183,719,688,517.25/12,313,154.70 - Step 6: Final answer
x = 9,923,023.19
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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.