Finding the Fourth Proportional to 12,441,902.80, 18,660,053.40 and 4,463,726.80
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Solution
The fourth proportional to 12,441,902.80, 18,660,053.40 and 4,463,726.80 is: 6,694,585.37
Step by Step Solution
- Step 1: Write the proportion equation
12,441,902.80 : 18,660,053.40 = 4,463,726.80 : x - Step 2: Convert to fraction form
12,441,902.80/18,660,053.40 = 4,463,726.80/x - Step 3: Cross multiply
12,441,902.80x = 18,660,053.40 × 4,463,726.80 - Step 4: Simplify right side
12,441,902.80x = 83,293,380,451,011.11 - Step 5: Solve for x
x = 83,293,380,451,011.11/12,441,902.80 - Step 6: Final answer
x = 6,694,585.37
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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.