Finding the Fourth Proportional to 7,901,135.74, 11,851,718.86 and 3,045,728.71
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Solution
The fourth proportional to 7,901,135.74, 11,851,718.86 and 3,045,728.71 is: 4,568,598.94
Step by Step Solution
- Step 1: Write the proportion equation
7,901,135.74 : 11,851,718.86 = 3,045,728.71 : x - Step 2: Convert to fraction form
7,901,135.74/11,851,718.86 = 3,045,728.71/x - Step 3: Cross multiply
7,901,135.74x = 11,851,718.86 × 3,045,728.71 - Step 4: Simplify right side
7,901,135.74x = 36,097,120,394,750.47 - Step 5: Solve for x
x = 36,097,120,394,750.47/7,901,135.74 - Step 6: Final answer
x = 4,568,598.94
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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.