Finding the Fourth Proportional to 8,313,958.80, 12,470,938.20 and 7,096,237.20
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Solution
The fourth proportional to 8,313,958.80, 12,470,938.20 and 7,096,237.20 is: 10,644,355.80
Step by Step Solution
- Step 1: Write the proportion equation
8,313,958.80 : 12,470,938.20 = 7,096,237.20 : x - Step 2: Convert to fraction form
8,313,958.80/12,470,938.20 = 7,096,237.20/x - Step 3: Cross multiply
8,313,958.80x = 12,470,938.20 × 7,096,237.20 - Step 4: Simplify right side
8,313,958.80x = 88,496,735,573,741.03 - Step 5: Solve for x
x = 88,496,735,573,741.03/8,313,958.80 - Step 6: Final answer
x = 10,644,355.80
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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.