Finding the Fourth Proportional to 13,493,685.20, 20,240,511.68 and 4,395,768.23
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Solution
The fourth proportional to 13,493,685.20, 20,240,511.68 and 4,395,768.23 is: 6,593,647.09
Step by Step Solution
- Step 1: Write the proportion equation
13,493,685.20 : 20,240,511.68 = 4,395,768.23 : x - Step 2: Convert to fraction form
13,493,685.20/20,240,511.68 = 4,395,768.23/x - Step 3: Cross multiply
13,493,685.20x = 20,240,511.68 × 4,395,768.23 - Step 4: Simplify right side
13,493,685.20x = 88,972,598,078,706.52 - Step 5: Solve for x
x = 88,972,598,078,706.52/13,493,685.20 - Step 6: Final answer
x = 6,593,647.09
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1.5x scale
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.