Finding the Fourth Proportional to 10,288,987.14, 14,197,778.76 and 5,939,474.68
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Solution
The fourth proportional to 10,288,987.14, 14,197,778.76 and 5,939,474.68 is: 8,195,884.23
Step by Step Solution
- Step 1: Write the proportion equation
10,288,987.14 : 14,197,778.76 = 5,939,474.68 : x - Step 2: Convert to fraction form
10,288,987.14/14,197,778.76 = 5,939,474.68/x - Step 3: Cross multiply
10,288,987.14x = 14,197,778.76 × 5,939,474.68 - Step 4: Simplify right side
10,288,987.14x = 84,327,347,457,261.80 - Step 5: Solve for x
x = 84,327,347,457,261.80/10,288,987.14 - Step 6: Final answer
x = 8,195,884.23
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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.