Finding the Fourth Proportional to 22,129,568.34, 30,539,194.50 and 12,207,586.74
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Solution
The fourth proportional to 22,129,568.34, 30,539,194.50 and 12,207,586.74 is: 16,846,684.95
Step by Step Solution
- Step 1: Write the proportion equation
22,129,568.34 : 30,539,194.50 = 12,207,586.74 : x - Step 2: Convert to fraction form
22,129,568.34/30,539,194.50 = 12,207,586.74/x - Step 3: Cross multiply
22,129,568.34x = 30,539,194.50 × 12,207,586.74 - Step 4: Simplify right side
22,129,568.34x = 372,809,865,828,480.94 - Step 5: Solve for x
x = 372,809,865,828,480.94/22,129,568.34 - Step 6: Final answer
x = 16,846,684.95
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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.