Finding the Fourth Proportional to 7,605,611.80, 11,400,736.62 and 4,767,713.08
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Solution
The fourth proportional to 7,605,611.80, 11,400,736.62 and 4,767,713.08 is: 7,146,754.59
Step by Step Solution
- Step 1: Write the proportion equation
7,605,611.80 : 11,400,736.62 = 4,767,713.08 : x - Step 2: Convert to fraction form
7,605,611.80/11,400,736.62 = 4,767,713.08/x - Step 3: Cross multiply
7,605,611.80x = 11,400,736.62 × 4,767,713.08 - Step 4: Simplify right side
7,605,611.80x = 54,355,441,058,428.23 - Step 5: Solve for x
x = 54,355,441,058,428.23/7,605,611.80 - Step 6: Final answer
x = 7,146,754.59
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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.