Finding the Fourth Proportional to 9,417,863.80, 14,126,795.70 and 4,628,625.40
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Solution
The fourth proportional to 9,417,863.80, 14,126,795.70 and 4,628,625.40 is: 6,942,938.10
Step by Step Solution
- Step 1: Write the proportion equation
9,417,863.80 : 14,126,795.70 = 4,628,625.40 : x - Step 2: Convert to fraction form
9,417,863.80/14,126,795.70 = 4,628,625.40/x - Step 3: Cross multiply
9,417,863.80x = 14,126,795.70 × 4,628,625.40 - Step 4: Simplify right side
9,417,863.80x = 65,387,645,397,630.78 - Step 5: Solve for x
x = 65,387,645,397,630.78/9,417,863.80 - Step 6: Final answer
x = 6,942,938.10
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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.