Finding the Fourth Proportional to 16,135,542.30, 22,267,048.80 and 8,892,198.30
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Solution
The fourth proportional to 16,135,542.30, 22,267,048.80 and 8,892,198.30 is: 12,271,233.89
Step by Step Solution
- Step 1: Write the proportion equation
16,135,542.30 : 22,267,048.80 = 8,892,198.30 : x - Step 2: Convert to fraction form
16,135,542.30/22,267,048.80 = 8,892,198.30/x - Step 3: Cross multiply
16,135,542.30x = 22,267,048.80 × 8,892,198.30 - Step 4: Simplify right side
16,135,542.30x = 198,003,013,485,377.06 - Step 5: Solve for x
x = 198,003,013,485,377.06/16,135,542.30 - Step 6: Final answer
x = 12,271,233.89
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1.5x scale
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.