Finding the Fourth Proportional to 7,376,482.80, 11,071,722.60 and 4,542,130.80
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Solution
The fourth proportional to 7,376,482.80, 11,071,722.60 and 4,542,130.80 is: 6,817,505.52
Step by Step Solution
- Step 1: Write the proportion equation
7,376,482.80 : 11,071,722.60 = 4,542,130.80 : x - Step 2: Convert to fraction form
7,376,482.80/11,071,722.60 = 4,542,130.80/x - Step 3: Cross multiply
7,376,482.80x = 11,071,722.60 × 4,542,130.80 - Step 4: Simplify right side
7,376,482.80x = 50,289,212,230,516.08 - Step 5: Solve for x
x = 50,289,212,230,516.08/7,376,482.80 - Step 6: Final answer
x = 6,817,505.52
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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.