Finding the Fourth Proportional to 32,113,810.18, 44,306,271.36 and 20,518,161.22
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Solution
The fourth proportional to 32,113,810.18, 44,306,271.36 and 20,518,161.22 is: 28,308,170.65
Step by Step Solution
- Step 1: Write the proportion equation
32,113,810.18 : 44,306,271.36 = 20,518,161.22 : x - Step 2: Convert to fraction form
32,113,810.18/44,306,271.36 = 20,518,161.22/x - Step 3: Cross multiply
32,113,810.18x = 44,306,271.36 × 20,518,161.22 - Step 4: Simplify right side
32,113,810.18x = 909,083,218,821,548.62 - Step 5: Solve for x
x = 909,083,218,821,548.62/32,113,810.18 - Step 6: Final answer
x = 28,308,170.65
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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.