Finding the Fourth Proportional to 16,762,589.84, 23,132,535.72 and 9,519,297.68
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Solution
The fourth proportional to 16,762,589.84, 23,132,535.72 and 9,519,297.68 is: 13,136,722.65
Step by Step Solution
- Step 1: Write the proportion equation
16,762,589.84 : 23,132,535.72 = 9,519,297.68 : x - Step 2: Convert to fraction form
16,762,589.84/23,132,535.72 = 9,519,297.68/x - Step 3: Cross multiply
16,762,589.84x = 23,132,535.72 × 9,519,297.68 - Step 4: Simplify right side
16,762,589.84x = 220,205,493,611,913.12 - Step 5: Solve for x
x = 220,205,493,611,913.12/16,762,589.84 - Step 6: Final answer
x = 13,136,722.65
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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.