Finding the Fourth Proportional to 22,707,017.85, 31,376,674.21 and 16,169,297.09
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Solution
The fourth proportional to 22,707,017.85, 31,376,674.21 and 16,169,297.09 is: 22,342,817.99
Step by Step Solution
- Step 1: Write the proportion equation
22,707,017.85 : 31,376,674.21 = 16,169,297.09 : x - Step 2: Convert to fraction form
22,707,017.85/31,376,674.21 = 16,169,297.09/x - Step 3: Cross multiply
22,707,017.85x = 31,376,674.21 × 16,169,297.09 - Step 4: Simplify right side
22,707,017.85x = 507,338,766,997,631.06 - Step 5: Solve for x
x = 507,338,766,997,631.06/22,707,017.85 - Step 6: Final answer
x = 22,342,817.99
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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.