Finding the Fourth Proportional to 23,235,981.12, 32,066,538.66 and 12,923,449.92
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Solution
The fourth proportional to 23,235,981.12, 32,066,538.66 and 12,923,449.92 is: 17,834,852.95
Step by Step Solution
- Step 1: Write the proportion equation
23,235,981.12 : 32,066,538.66 = 12,923,449.92 : x - Step 2: Convert to fraction form
23,235,981.12/32,066,538.66 = 12,923,449.92/x - Step 3: Cross multiply
23,235,981.12x = 32,066,538.66 × 12,923,449.92 - Step 4: Simplify right side
23,235,981.12x = 414,410,306,480,253.94 - Step 5: Solve for x
x = 414,410,306,480,253.94/23,235,981.12 - Step 6: Final answer
x = 17,834,852.95
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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.