Finding the Fourth Proportional to 12,276,101.40, 18,402,342.30 and 9,542,132.70
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Solution
The fourth proportional to 12,276,101.40, 18,402,342.30 and 9,542,132.70 is: 14,304,019.37
Step by Step Solution
- Step 1: Write the proportion equation
12,276,101.40 : 18,402,342.30 = 9,542,132.70 : x - Step 2: Convert to fraction form
12,276,101.40/18,402,342.30 = 9,542,132.70/x - Step 3: Cross multiply
12,276,101.40x = 18,402,342.30 × 9,542,132.70 - Step 4: Simplify right side
12,276,101.40x = 175,597,592,217,423.22 - Step 5: Solve for x
x = 175,597,592,217,423.22/12,276,101.40 - Step 6: Final answer
x = 14,304,019.37
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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.