Finding the Fourth Proportional to 7,966,430.64, 11,949,653.16 and 3,414,525.48
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Solution
The fourth proportional to 7,966,430.64, 11,949,653.16 and 3,414,525.48 is: 5,121,791.31
Step by Step Solution
- Step 1: Write the proportion equation
7,966,430.64 : 11,949,653.16 = 3,414,525.48 : x - Step 2: Convert to fraction form
7,966,430.64/11,949,653.16 = 3,414,525.48/x - Step 3: Cross multiply
7,966,430.64x = 11,949,653.16 × 3,414,525.48 - Step 4: Simplify right side
7,966,430.64x = 40,802,395,191,982.52 - Step 5: Solve for x
x = 40,802,395,191,982.52/7,966,430.64 - Step 6: Final answer
x = 5,121,791.31
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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.