Finding the Fourth Proportional to 20,197,457.58, 30,299,176.19 and 7,416,965.87
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Solution
The fourth proportional to 20,197,457.58, 30,299,176.19 and 7,416,965.87 is: 11,126,546.73
Step by Step Solution
- Step 1: Write the proportion equation
20,197,457.58 : 30,299,176.19 = 7,416,965.87 : x - Step 2: Convert to fraction form
20,197,457.58/30,299,176.19 = 7,416,965.87/x - Step 3: Cross multiply
20,197,457.58x = 30,299,176.19 × 7,416,965.87 - Step 4: Simplify right side
20,197,457.58x = 224,727,955,690,346.66 - Step 5: Solve for x
x = 224,727,955,690,346.66/20,197,457.58 - Step 6: Final answer
x = 11,126,546.73
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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.