Finding the Fourth Proportional to 6,962,515.14, 9,605,106.45 and 4,515,742.74
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Solution
The fourth proportional to 6,962,515.14, 9,605,106.45 and 4,515,742.74 is: 6,229,672.59
Step by Step Solution
- Step 1: Write the proportion equation
6,962,515.14 : 9,605,106.45 = 4,515,742.74 : x - Step 2: Convert to fraction form
6,962,515.14/9,605,106.45 = 4,515,742.74/x - Step 3: Cross multiply
6,962,515.14x = 9,605,106.45 × 4,515,742.74 - Step 4: Simplify right side
6,962,515.14x = 43,374,189,718,514.67 - Step 5: Solve for x
x = 43,374,189,718,514.67/6,962,515.14 - Step 6: Final answer
x = 6,229,672.59
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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.