Finding the Fourth Proportional to 18,543,610.80, 27,815,416.20 and 4,896,730.80
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Solution
The fourth proportional to 18,543,610.80, 27,815,416.20 and 4,896,730.80 is: 7,345,096.20
Step by Step Solution
- Step 1: Write the proportion equation
18,543,610.80 : 27,815,416.20 = 4,896,730.80 : x - Step 2: Convert to fraction form
18,543,610.80/27,815,416.20 = 4,896,730.80/x - Step 3: Cross multiply
18,543,610.80x = 27,815,416.20 × 4,896,730.80 - Step 4: Simplify right side
18,543,610.80x = 136,204,605,221,358.95 - Step 5: Solve for x
x = 136,204,605,221,358.95/18,543,610.80 - Step 6: Final answer
x = 7,345,096.20
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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.