Finding the Fourth Proportional to 10,756,775.40, 16,128,942.30 and 4,025,869.80
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Solution
The fourth proportional to 10,756,775.40, 16,128,942.30 and 4,025,869.80 is: 6,036,476.48
Step by Step Solution
- Step 1: Write the proportion equation
10,756,775.40 : 16,128,942.30 = 4,025,869.80 : x - Step 2: Convert to fraction form
10,756,775.40/16,128,942.30 = 4,025,869.80/x - Step 3: Cross multiply
10,756,775.40x = 16,128,942.30 × 4,025,869.80 - Step 4: Simplify right side
10,756,775.40x = 64,933,021,711,512.54 - Step 5: Solve for x
x = 64,933,021,711,512.54/10,756,775.40 - Step 6: Final answer
x = 6,036,476.48
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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.