Finding the Fourth Proportional to 10,457,120.32, 15,699,113.60 and 8,062,486.08
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Solution
The fourth proportional to 10,457,120.32, 15,699,113.60 and 8,062,486.08 is: 12,104,086.12
Step by Step Solution
- Step 1: Write the proportion equation
10,457,120.32 : 15,699,113.60 = 8,062,486.08 : x - Step 2: Convert to fraction form
10,457,120.32/15,699,113.60 = 8,062,486.08/x - Step 3: Cross multiply
10,457,120.32x = 15,699,113.60 × 8,062,486.08 - Step 4: Simplify right side
10,457,120.32x = 126,573,884,868,338.69 - Step 5: Solve for x
x = 126,573,884,868,338.69/10,457,120.32 - Step 6: Final answer
x = 12,104,086.12
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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.