Finding the Fourth Proportional to 23,673,939.80, 32,660,740.98 and 13,749,132.92
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Solution
The fourth proportional to 23,673,939.80, 32,660,740.98 and 13,749,132.92 is: 18,968,404.62
Step by Step Solution
- Step 1: Write the proportion equation
23,673,939.80 : 32,660,740.98 = 13,749,132.92 : x - Step 2: Convert to fraction form
23,673,939.80/32,660,740.98 = 13,749,132.92/x - Step 3: Cross multiply
23,673,939.80x = 32,660,740.98 × 13,749,132.92 - Step 4: Simplify right side
23,673,939.80x = 449,056,868,999,711.06 - Step 5: Solve for x
x = 449,056,868,999,711.06/23,673,939.80 - Step 6: Final answer
x = 18,968,404.62
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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.