Finding the Fourth Proportional to 11,190,701.80, 16,794,910.05 and 4,370,542.30
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Solution
The fourth proportional to 11,190,701.80, 16,794,910.05 and 4,370,542.30 is: 6,559,272.70
Step by Step Solution
- Step 1: Write the proportion equation
11,190,701.80 : 16,794,910.05 = 4,370,542.30 : x - Step 2: Convert to fraction form
11,190,701.80/16,794,910.05 = 4,370,542.30/x - Step 3: Cross multiply
11,190,701.80x = 16,794,910.05 × 4,370,542.30 - Step 4: Simplify right side
11,190,701.80x = 73,402,864,798,220.11 - Step 5: Solve for x
x = 73,402,864,798,220.11/11,190,701.80 - Step 6: Final answer
x = 6,559,272.70
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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.