Finding the Fourth Proportional to 11,015,942.67, 15,201,698.73 and 6,121,039.07
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Solution
The fourth proportional to 11,015,942.67, 15,201,698.73 and 6,121,039.07 is: 8,446,866.02
Step by Step Solution
- Step 1: Write the proportion equation
11,015,942.67 : 15,201,698.73 = 6,121,039.07 : x - Step 2: Convert to fraction form
11,015,942.67/15,201,698.73 = 6,121,039.07/x - Step 3: Cross multiply
11,015,942.67x = 15,201,698.73 × 6,121,039.07 - Step 4: Simplify right side
11,015,942.67x = 93,050,191,780,690.89 - Step 5: Solve for x
x = 93,050,191,780,690.89/11,015,942.67 - Step 6: Final answer
x = 8,446,866.02
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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.