Finding the Fourth Proportional to 11,067,950.68, 16,567,875.30 and 7,221,490.74
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Solution
The fourth proportional to 11,067,950.68, 16,567,875.30 and 7,221,490.74 is: 10,810,019.08
Step by Step Solution
- Step 1: Write the proportion equation
11,067,950.68 : 16,567,875.30 = 7,221,490.74 : x - Step 2: Convert to fraction form
11,067,950.68/16,567,875.30 = 7,221,490.74/x - Step 3: Cross multiply
11,067,950.68x = 16,567,875.30 × 7,221,490.74 - Step 4: Simplify right side
11,067,950.68x = 119,644,758,060,424.73 - Step 5: Solve for x
x = 119,644,758,060,424.73/11,067,950.68 - Step 6: Final answer
x = 10,810,019.08
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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.