Finding the Fourth Proportional to 12,028,469.12, 16,598,261.05 and 6,801,220.99
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Solution
The fourth proportional to 12,028,469.12, 16,598,261.05 and 6,801,220.99 is: 9,385,104.65
Step by Step Solution
- Step 1: Write the proportion equation
12,028,469.12 : 16,598,261.05 = 6,801,220.99 : x - Step 2: Convert to fraction form
12,028,469.12/16,598,261.05 = 6,801,220.99/x - Step 3: Cross multiply
12,028,469.12x = 16,598,261.05 × 6,801,220.99 - Step 4: Simplify right side
12,028,469.12x = 112,888,441,492,761.08 - Step 5: Solve for x
x = 112,888,441,492,761.08/12,028,469.12 - Step 6: Final answer
x = 9,385,104.65
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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.