Finding the Fourth Proportional to 10,947,993.68, 16,417,906.20 and 3,757,487.12
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Solution
The fourth proportional to 10,947,993.68, 16,417,906.20 and 3,757,487.12 is: 5,634,828.89
Step by Step Solution
- Step 1: Write the proportion equation
10,947,993.68 : 16,417,906.20 = 3,757,487.12 : x - Step 2: Convert to fraction form
10,947,993.68/16,417,906.20 = 3,757,487.12/x - Step 3: Cross multiply
10,947,993.68x = 16,417,906.20 × 3,757,487.12 - Step 4: Simplify right side
10,947,993.68x = 61,690,071,083,868.14 - Step 5: Solve for x
x = 61,690,071,083,868.14/10,947,993.68 - Step 6: Final answer
x = 5,634,828.89
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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.