Finding the Fourth Proportional to 6,467,835.75, 9,708,482.78 and 4,763,903.07
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Solution
The fourth proportional to 6,467,835.75, 9,708,482.78 and 4,763,903.07 is: 7,150,810.98
Step by Step Solution
- Step 1: Write the proportion equation
6,467,835.75 : 9,708,482.78 = 4,763,903.07 : x - Step 2: Convert to fraction form
6,467,835.75/9,708,482.78 = 4,763,903.07/x - Step 3: Cross multiply
6,467,835.75x = 9,708,482.78 × 4,763,903.07 - Step 4: Simplify right side
6,467,835.75x = 46,250,270,920,684.13 - Step 5: Solve for x
x = 46,250,270,920,684.13/6,467,835.75 - Step 6: Final answer
x = 7,150,810.98
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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.