Finding the Fourth Proportional to 14,225,914.64, 21,338,119.16 and 3,991,487.12
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Solution
The fourth proportional to 14,225,914.64, 21,338,119.16 and 3,991,487.12 is: 5,987,019.46
Step by Step Solution
- Step 1: Write the proportion equation
14,225,914.64 : 21,338,119.16 = 3,991,487.12 : x - Step 2: Convert to fraction form
14,225,914.64/21,338,119.16 = 3,991,487.12/x - Step 3: Cross multiply
14,225,914.64x = 21,338,119.16 × 3,991,487.12 - Step 4: Simplify right side
14,225,914.64x = 85,170,827,792,165.22 - Step 5: Solve for x
x = 85,170,827,792,165.22/14,225,914.64 - Step 6: Final answer
x = 5,987,019.46
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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.