Finding the Fourth Proportional to 7,376,489.34, 11,062,073.97 and 3,116,987.70
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Solution
The fourth proportional to 7,376,489.34, 11,062,073.97 and 3,116,987.70 is: 4,674,357.53
Step by Step Solution
- Step 1: Write the proportion equation
7,376,489.34 : 11,062,073.97 = 3,116,987.70 : x - Step 2: Convert to fraction form
7,376,489.34/11,062,073.97 = 3,116,987.70/x - Step 3: Cross multiply
7,376,489.34x = 11,062,073.97 × 3,116,987.70 - Step 4: Simplify right side
7,376,489.34x = 34,480,348,500,980.17 - Step 5: Solve for x
x = 34,480,348,500,980.17/7,376,489.34 - Step 6: Final answer
x = 4,674,357.53
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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.