Finding the Fourth Proportional to 16,954,306.43, 23,396,675.99 and 9,219,281.09
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Solution
The fourth proportional to 16,954,306.43, 23,396,675.99 and 9,219,281.09 is: 12,722,462.77
Step by Step Solution
- Step 1: Write the proportion equation
16,954,306.43 : 23,396,675.99 = 9,219,281.09 : x - Step 2: Convert to fraction form
16,954,306.43/23,396,675.99 = 9,219,281.09/x - Step 3: Cross multiply
16,954,306.43x = 23,396,675.99 × 9,219,281.09 - Step 4: Simplify right side
16,954,306.43x = 215,700,532,360,384.25 - Step 5: Solve for x
x = 215,700,532,360,384.25/16,954,306.43 - Step 6: Final answer
x = 12,722,462.77
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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.