Finding the Fourth Proportional to 32,113,811.18, 44,306,272.74 and 20,518,162.22
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Solution
The fourth proportional to 32,113,811.18, 44,306,272.74 and 20,518,162.22 is: 28,308,172.03
Step by Step Solution
- Step 1: Write the proportion equation
32,113,811.18 : 44,306,272.74 = 20,518,162.22 : x - Step 2: Convert to fraction form
32,113,811.18/44,306,272.74 = 20,518,162.22/x - Step 3: Cross multiply
32,113,811.18x = 44,306,272.74 × 20,518,162.22 - Step 4: Simplify right side
32,113,811.18x = 909,083,291,442,883.88 - Step 5: Solve for x
x = 909,083,291,442,883.88/32,113,811.18 - Step 6: Final answer
x = 28,308,172.03
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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.