Finding the Fourth Proportional to 12,509,354.24, 18,765,431.04 and 3,987,713.60
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Solution
The fourth proportional to 12,509,354.24, 18,765,431.04 and 3,987,713.60 is: 5,982,016.59
Step by Step Solution
- Step 1: Write the proportion equation
12,509,354.24 : 18,765,431.04 = 3,987,713.60 : x - Step 2: Convert to fraction form
12,509,354.24/18,765,431.04 = 3,987,713.60/x - Step 3: Cross multiply
12,509,354.24x = 18,765,431.04 × 3,987,713.60 - Step 4: Simplify right side
12,509,354.24x = 74,831,164,568,070.14 - Step 5: Solve for x
x = 74,831,164,568,070.14/12,509,354.24 - Step 6: Final answer
x = 5,982,016.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.