Finding the Fourth Proportional to 16,270,209.80, 22,452,827.38 and 8,928,165.68
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Solution
The fourth proportional to 16,270,209.80, 22,452,827.38 and 8,928,165.68 is: 12,320,834.54
Step by Step Solution
- Step 1: Write the proportion equation
16,270,209.80 : 22,452,827.38 = 8,928,165.68 : x - Step 2: Convert to fraction form
16,270,209.80/22,452,827.38 = 8,928,165.68/x - Step 3: Cross multiply
16,270,209.80x = 22,452,827.38 × 8,928,165.68 - Step 4: Simplify right side
16,270,209.80x = 200,462,562,782,693.91 - Step 5: Solve for x
x = 200,462,562,782,693.91/16,270,209.80 - Step 6: Final answer
x = 12,320,834.54
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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.