Finding the Fourth Proportional to 8,314,355.20, 12,462,201.60 and 3,521,228.80
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Solution
The fourth proportional to 8,314,355.20, 12,462,201.60 and 3,521,228.80 is: 5,277,891.33
Step by Step Solution
- Step 1: Write the proportion equation
8,314,355.20 : 12,462,201.60 = 3,521,228.80 : x - Step 2: Convert to fraction form
8,314,355.20/12,462,201.60 = 3,521,228.80/x - Step 3: Cross multiply
8,314,355.20x = 12,462,201.60 × 3,521,228.80 - Step 4: Simplify right side
8,314,355.20x = 43,882,263,185,326.08 - Step 5: Solve for x
x = 43,882,263,185,326.08/8,314,355.20 - Step 6: Final answer
x = 5,277,891.33
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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.