Finding the Fourth Proportional to 14,479,710.64, 19,985,480.84 and 8,288,346.48
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Solution
The fourth proportional to 14,479,710.64, 19,985,480.84 and 8,288,346.48 is: 11,439,910.22
Step by Step Solution
- Step 1: Write the proportion equation
14,479,710.64 : 19,985,480.84 = 8,288,346.48 : x - Step 2: Convert to fraction form
14,479,710.64/19,985,480.84 = 8,288,346.48/x - Step 3: Cross multiply
14,479,710.64x = 19,985,480.84 × 8,288,346.48 - Step 4: Simplify right side
14,479,710.64x = 165,646,589,771,321.44 - Step 5: Solve for x
x = 165,646,589,771,321.44/14,479,710.64 - Step 6: Final answer
x = 11,439,910.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.