Finding the Fourth Proportional to 56,185,847.56, 84,278,879.76 and 21,658,508.68
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Solution
The fourth proportional to 56,185,847.56, 84,278,879.76 and 21,658,508.68 is: 32,487,804.81
Step by Step Solution
- Step 1: Write the proportion equation
56,185,847.56 : 84,278,879.76 = 21,658,508.68 : x - Step 2: Convert to fraction form
56,185,847.56/84,278,879.76 = 21,658,508.68/x - Step 3: Cross multiply
56,185,847.56x = 84,278,879.76 × 21,658,508.68 - Step 4: Simplify right side
56,185,847.56x = 1,825,354,848,822,636.50 - Step 5: Solve for x
x = 1,825,354,848,822,636.50/56,185,847.56 - Step 6: Final answer
x = 32,487,804.81
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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.