Finding the Fourth Proportional to 12,067,780.75, 16,653,863.99 and 6,561,525.29
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Solution
The fourth proportional to 12,067,780.75, 16,653,863.99 and 6,561,525.29 is: 9,055,082.45
Step by Step Solution
- Step 1: Write the proportion equation
12,067,780.75 : 16,653,863.99 = 6,561,525.29 : x - Step 2: Convert to fraction form
12,067,780.75/16,653,863.99 = 6,561,525.29/x - Step 3: Cross multiply
12,067,780.75x = 16,653,863.99 × 6,561,525.29 - Step 4: Simplify right side
12,067,780.75x = 109,274,749,679,739.80 - Step 5: Solve for x
x = 109,274,749,679,739.80/12,067,780.75 - Step 6: Final answer
x = 9,055,082.45
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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.