Finding the Fourth Proportional to 16,722,433.80, 25,083,650.70 and 13,363,201.80
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Solution
The fourth proportional to 16,722,433.80, 25,083,650.70 and 13,363,201.80 is: 20,044,802.70
Step by Step Solution
- Step 1: Write the proportion equation
16,722,433.80 : 25,083,650.70 = 13,363,201.80 : x - Step 2: Convert to fraction form
16,722,433.80/25,083,650.70 = 13,363,201.80/x - Step 3: Cross multiply
16,722,433.80x = 25,083,650.70 × 13,363,201.80 - Step 4: Simplify right side
16,722,433.80x = 335,197,886,184,811.25 - Step 5: Solve for x
x = 335,197,886,184,811.25/16,722,433.80 - Step 6: Final answer
x = 20,044,802.70
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1.5x scale
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.