Finding the Fourth Proportional to 16,301,843.12, 22,496,775.92 and 8,960,354.68
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Solution
The fourth proportional to 16,301,843.12, 22,496,775.92 and 8,960,354.68 is: 12,365,417.21
Step by Step Solution
- Step 1: Write the proportion equation
16,301,843.12 : 22,496,775.92 = 8,960,354.68 : x - Step 2: Convert to fraction form
16,301,843.12/22,496,775.92 = 8,960,354.68/x - Step 3: Cross multiply
16,301,843.12x = 22,496,775.92 × 8,960,354.68 - Step 4: Simplify right side
16,301,843.12x = 201,579,091,399,683.31 - Step 5: Solve for x
x = 201,579,091,399,683.31/16,301,843.12 - Step 6: Final answer
x = 12,365,417.21
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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.