Finding the Fourth Proportional to 16,808,538.90, 25,212,808.35 and 16,682,567.70
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Solution
The fourth proportional to 16,808,538.90, 25,212,808.35 and 16,682,567.70 is: 25,023,851.55
Step by Step Solution
- Step 1: Write the proportion equation
16,808,538.90 : 25,212,808.35 = 16,682,567.70 : x - Step 2: Convert to fraction form
16,808,538.90/25,212,808.35 = 16,682,567.70/x - Step 3: Cross multiply
16,808,538.90x = 25,212,808.35 × 16,682,567.70 - Step 4: Simplify right side
16,808,538.90x = 420,614,382,206,000.31 - Step 5: Solve for x
x = 420,614,382,206,000.31/16,808,538.90 - Step 6: Final answer
x = 25,023,851.55
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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.