Finding the Fourth Proportional to 43,747,768.40, 65,615,431.80 and 14,995,230.80
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Solution
The fourth proportional to 43,747,768.40, 65,615,431.80 and 14,995,230.80 is: 22,490,713.92
Step by Step Solution
- Step 1: Write the proportion equation
43,747,768.40 : 65,615,431.80 = 14,995,230.80 : x - Step 2: Convert to fraction form
43,747,768.40/65,615,431.80 = 14,995,230.80/x - Step 3: Cross multiply
43,747,768.40x = 65,615,431.80 × 14,995,230.80 - Step 4: Simplify right side
43,747,768.40x = 983,918,543,882,659.50 - Step 5: Solve for x
x = 983,918,543,882,659.50/43,747,768.40 - Step 6: Final answer
x = 22,490,713.92
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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.