Finding the Fourth Proportional to 8,281,437.98, 12,422,321.94 and 2,216,159.60
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Solution
The fourth proportional to 8,281,437.98, 12,422,321.94 and 2,216,159.60 is: 3,324,283.55
Step by Step Solution
- Step 1: Write the proportion equation
8,281,437.98 : 12,422,321.94 = 2,216,159.60 : x - Step 2: Convert to fraction form
8,281,437.98/12,422,321.94 = 2,216,159.60/x - Step 3: Cross multiply
8,281,437.98x = 12,422,321.94 × 2,216,159.60 - Step 4: Simplify right side
8,281,437.98x = 27,529,848,021,621.62 - Step 5: Solve for x
x = 27,529,848,021,621.62/8,281,437.98 - Step 6: Final answer
x = 3,324,283.55
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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.