Finding the Fourth Proportional to 38,568,561.21, 57,852,685.98 and 13,970,730.63
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Solution
The fourth proportional to 38,568,561.21, 57,852,685.98 and 13,970,730.63 is: 20,956,039.50
Step by Step Solution
- Step 1: Write the proportion equation
38,568,561.21 : 57,852,685.98 = 13,970,730.63 : x - Step 2: Convert to fraction form
38,568,561.21/57,852,685.98 = 13,970,730.63/x - Step 3: Cross multiply
38,568,561.21x = 57,852,685.98 × 13,970,730.63 - Step 4: Simplify right side
38,568,561.21x = 808,244,292,083,136.75 - Step 5: Solve for x
x = 808,244,292,083,136.75/38,568,561.21 - Step 6: Final answer
x = 20,956,039.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.