Finding the Fourth Proportional to 11,758,701.80, 17,641,056.30 and 5,696,337.80
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Solution
The fourth proportional to 11,758,701.80, 17,641,056.30 and 5,696,337.80 is: 8,545,961.75
Step by Step Solution
- Step 1: Write the proportion equation
11,758,701.80 : 17,641,056.30 = 5,696,337.80 : x - Step 2: Convert to fraction form
11,758,701.80/17,641,056.30 = 5,696,337.80/x - Step 3: Cross multiply
11,758,701.80x = 17,641,056.30 × 5,696,337.80 - Step 4: Simplify right side
11,758,701.80x = 100,489,415,833,618.14 - Step 5: Solve for x
x = 100,489,415,833,618.14/11,758,701.80 - Step 6: Final answer
x = 8,545,961.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.