Finding the Fourth Proportional to 11,189,401.36, 15,441,351.20 and 6,294,626.88
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Solution
The fourth proportional to 11,189,401.36, 15,441,351.20 and 6,294,626.88 is: 8,686,572.34
Step by Step Solution
- Step 1: Write the proportion equation
11,189,401.36 : 15,441,351.20 = 6,294,626.88 : x - Step 2: Convert to fraction form
11,189,401.36/15,441,351.20 = 6,294,626.88/x - Step 3: Cross multiply
11,189,401.36x = 15,441,351.20 × 6,294,626.88 - Step 4: Simplify right side
11,189,401.36x = 97,197,544,327,040.25 - Step 5: Solve for x
x = 97,197,544,327,040.25/11,189,401.36 - Step 6: Final answer
x = 8,686,572.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.