Finding the Fourth Proportional to 10,288,783.64, 15,431,672.95 and 3,000,284.96
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Solution
The fourth proportional to 10,288,783.64, 15,431,672.95 and 3,000,284.96 is: 4,499,989.29
Step by Step Solution
- Step 1: Write the proportion equation
10,288,783.64 : 15,431,672.95 = 3,000,284.96 : x - Step 2: Convert to fraction form
10,288,783.64/15,431,672.95 = 3,000,284.96/x - Step 3: Cross multiply
10,288,783.64x = 15,431,672.95 × 3,000,284.96 - Step 4: Simplify right side
10,288,783.64x = 46,299,416,174,864.76 - Step 5: Solve for x
x = 46,299,416,174,864.76/10,288,783.64 - Step 6: Final answer
x = 4,499,989.29
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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.