Finding the Fourth Proportional to 8,302,438.48, 11,457,346.20 and 4,680,740.56
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Solution
The fourth proportional to 8,302,438.48, 11,457,346.20 and 4,680,740.56 is: 6,459,411.32
Step by Step Solution
- Step 1: Write the proportion equation
8,302,438.48 : 11,457,346.20 = 4,680,740.56 : x - Step 2: Convert to fraction form
8,302,438.48/11,457,346.20 = 4,680,740.56/x - Step 3: Cross multiply
8,302,438.48x = 11,457,346.20 × 4,680,740.56 - Step 4: Simplify right side
8,302,438.48x = 53,628,865,068,301.87 - Step 5: Solve for x
x = 53,628,865,068,301.87/8,302,438.48 - Step 6: Final answer
x = 6,459,411.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.