Finding the Fourth Proportional to 11,285,977.88, 15,574,740.99 and 6,129,376.34
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Solution
The fourth proportional to 11,285,977.88, 15,574,740.99 and 6,129,376.34 is: 8,458,589.05
Step by Step Solution
- Step 1: Write the proportion equation
11,285,977.88 : 15,574,740.99 = 6,129,376.34 : x - Step 2: Convert to fraction form
11,285,977.88/15,574,740.99 = 6,129,376.34/x - Step 3: Cross multiply
11,285,977.88x = 15,574,740.99 × 6,129,376.34 - Step 4: Simplify right side
11,285,977.88x = 95,463,448,847,860.47 - Step 5: Solve for x
x = 95,463,448,847,860.47/11,285,977.88 - Step 6: Final answer
x = 8,458,589.05
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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.