Finding the Fourth Proportional to 27,164,787.12, 40,742,751.12 and 7,991,059.92
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Solution
The fourth proportional to 27,164,787.12, 40,742,751.12 and 7,991,059.92 is: 11,985,286.84
Step by Step Solution
- Step 1: Write the proportion equation
27,164,787.12 : 40,742,751.12 = 7,991,059.92 : x - Step 2: Convert to fraction form
27,164,787.12/40,742,751.12 = 7,991,059.92/x - Step 3: Cross multiply
27,164,787.12x = 40,742,751.12 × 7,991,059.92 - Step 4: Simplify right side
27,164,787.12x = 325,577,765,505,567.06 - Step 5: Solve for x
x = 325,577,765,505,567.06/27,164,787.12 - Step 6: Final answer
x = 11,985,286.84
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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.