Finding the Fourth Proportional to 34,397,641.46, 47,467,311.62 and 18,716,727.53
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Solution
The fourth proportional to 34,397,641.46, 47,467,311.62 and 18,716,727.53 is: 25,828,303.93
Step by Step Solution
- Step 1: Write the proportion equation
34,397,641.46 : 47,467,311.62 = 18,716,727.53 : x - Step 2: Convert to fraction form
34,397,641.46/47,467,311.62 = 18,716,727.53/x - Step 3: Cross multiply
34,397,641.46x = 47,467,311.62 × 18,716,727.53 - Step 4: Simplify right side
34,397,641.46x = 888,432,737,842,222.62 - Step 5: Solve for x
x = 888,432,737,842,222.62/34,397,641.46 - Step 6: Final answer
x = 25,828,303.93
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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.