Finding the Fourth Proportional to 8,228,278.36, 12,347,462.33 and 3,683,170.21
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Solution
The fourth proportional to 8,228,278.36, 12,347,462.33 and 3,683,170.21 is: 5,527,013.49
Step by Step Solution
- Step 1: Write the proportion equation
8,228,278.36 : 12,347,462.33 = 3,683,170.21 : x - Step 2: Convert to fraction form
8,228,278.36/12,347,462.33 = 3,683,170.21/x - Step 3: Cross multiply
8,228,278.36x = 12,347,462.33 × 3,683,170.21 - Step 4: Simplify right side
8,228,278.36x = 45,477,805,455,720.06 - Step 5: Solve for x
x = 45,477,805,455,720.06/8,228,278.36 - Step 6: Final answer
x = 5,527,013.49
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1.5x scale
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.