Finding the Fourth Proportional to 14,744,218.24, 20,344,554.24 and 8,216,416.80
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Solution
The fourth proportional to 14,744,218.24, 20,344,554.24 and 8,216,416.80 is: 11,337,280.45
Step by Step Solution
- Step 1: Write the proportion equation
14,744,218.24 : 20,344,554.24 = 8,216,416.80 : x - Step 2: Convert to fraction form
14,744,218.24/20,344,554.24 = 8,216,416.80/x - Step 3: Cross multiply
14,744,218.24x = 20,344,554.24 × 8,216,416.80 - Step 4: Simplify right side
14,744,218.24x = 167,159,337,246,047.22 - Step 5: Solve for x
x = 167,159,337,246,047.22/14,744,218.24 - Step 6: Final answer
x = 11,337,280.45
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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.