Finding the Fourth Proportional to 32,255,678.75, 44,512,817.36 and 17,768,990.75
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Solution
The fourth proportional to 32,255,678.75, 44,512,817.36 and 17,768,990.75 is: 24,521,196.59
Step by Step Solution
- Step 1: Write the proportion equation
32,255,678.75 : 44,512,817.36 = 17,768,990.75 : x - Step 2: Convert to fraction form
32,255,678.75/44,512,817.36 = 17,768,990.75/x - Step 3: Cross multiply
32,255,678.75x = 44,512,817.36 × 17,768,990.75 - Step 4: Simplify right side
32,255,678.75x = 790,947,839,614,870.38 - Step 5: Solve for x
x = 790,947,839,614,870.38/32,255,678.75 - Step 6: Final answer
x = 24,521,196.59
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1.5x scale
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.