Finding the Fourth Proportional to 29,135,551.23, 40,197,511.96 and 20,764,239.65
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Solution
The fourth proportional to 29,135,551.23, 40,197,511.96 and 20,764,239.65 is: 28,647,845.56
Step by Step Solution
- Step 1: Write the proportion equation
29,135,551.23 : 40,197,511.96 = 20,764,239.65 : x - Step 2: Convert to fraction form
29,135,551.23/40,197,511.96 = 20,764,239.65/x - Step 3: Cross multiply
29,135,551.23x = 40,197,511.96 × 20,764,239.65 - Step 4: Simplify right side
29,135,551.23x = 834,670,771,911,933.62 - Step 5: Solve for x
x = 834,670,771,911,933.62/29,135,551.23 - Step 6: Final answer
x = 28,647,845.56
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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.