Finding the Fourth Proportional to 38,620,633.20, 57,968,274.60 and 19,473,010.80
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Solution
The fourth proportional to 38,620,633.20, 57,968,274.60 and 19,473,010.80 is: 29,228,335.84
Step by Step Solution
- Step 1: Write the proportion equation
38,620,633.20 : 57,968,274.60 = 19,473,010.80 : x - Step 2: Convert to fraction form
38,620,633.20/57,968,274.60 = 19,473,010.80/x - Step 3: Cross multiply
38,620,633.20x = 57,968,274.60 × 19,473,010.80 - Step 4: Simplify right side
38,620,633.20x = 1,128,816,837,343,165.75 - Step 5: Solve for x
x = 1,128,816,837,343,165.75/38,620,633.20 - Step 6: Final answer
x = 29,228,335.84
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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.