Finding the Fourth Proportional to 29,217,517.08, 40,318,698.24 and 15,986,407.64
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Solution
The fourth proportional to 29,217,517.08, 40,318,698.24 and 15,986,407.64 is: 22,060,435.31
Step by Step Solution
- Step 1: Write the proportion equation
29,217,517.08 : 40,318,698.24 = 15,986,407.64 : x - Step 2: Convert to fraction form
29,217,517.08/40,318,698.24 = 15,986,407.64/x - Step 3: Cross multiply
29,217,517.08x = 40,318,698.24 × 15,986,407.64 - Step 4: Simplify right side
29,217,517.08x = 644,551,145,578,790.62 - Step 5: Solve for x
x = 644,551,145,578,790.62/29,217,517.08 - Step 6: Final answer
x = 22,060,435.31
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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.