Finding the Fourth Proportional to 20,285,488.13, 30,427,907.21 and 6,452,246.00
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Solution
The fourth proportional to 20,285,488.13, 30,427,907.21 and 6,452,246.00 is: 9,678,265.63
Step by Step Solution
- Step 1: Write the proportion equation
20,285,488.13 : 30,427,907.21 = 6,452,246.00 : x - Step 2: Convert to fraction form
20,285,488.13/30,427,907.21 = 6,452,246.00/x - Step 3: Cross multiply
20,285,488.13x = 30,427,907.21 × 6,452,246.00 - Step 4: Simplify right side
20,285,488.13x = 196,328,342,465,378.88 - Step 5: Solve for x
x = 196,328,342,465,378.88/20,285,488.13 - Step 6: Final answer
x = 9,678,265.63
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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.