Finding the Fourth Proportional to 31,888,161.68, 44,007,056.56 and 17,950,415.36
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Solution
The fourth proportional to 31,888,161.68, 44,007,056.56 and 17,950,415.36 is: 24,772,357.59
Step by Step Solution
- Step 1: Write the proportion equation
31,888,161.68 : 44,007,056.56 = 17,950,415.36 : x - Step 2: Convert to fraction form
31,888,161.68/44,007,056.56 = 17,950,415.36/x - Step 3: Cross multiply
31,888,161.68x = 44,007,056.56 × 17,950,415.36 - Step 4: Simplify right side
31,888,161.68x = 789,944,944,023,012.75 - Step 5: Solve for x
x = 789,944,944,023,012.75/31,888,161.68 - Step 6: Final answer
x = 24,772,357.59
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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.