Finding the Fourth Proportional to 16,065,043.67, 22,169,138.48 and 8,722,708.76
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Solution
The fourth proportional to 16,065,043.67, 22,169,138.48 and 8,722,708.76 is: 12,037,000.48
Step by Step Solution
- Step 1: Write the proportion equation
16,065,043.67 : 22,169,138.48 = 8,722,708.76 : x - Step 2: Convert to fraction form
16,065,043.67/22,169,138.48 = 8,722,708.76/x - Step 3: Cross multiply
16,065,043.67x = 22,169,138.48 × 8,722,708.76 - Step 4: Simplify right side
16,065,043.67x = 193,374,938,432,958.38 - Step 5: Solve for x
x = 193,374,938,432,958.38/16,065,043.67 - Step 6: Final answer
x = 12,037,000.48
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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.