Finding the Fourth Proportional to 11,837,101.56, 16,335,256.14 and 6,680,680.44
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Solution
The fourth proportional to 11,837,101.56, 16,335,256.14 and 6,680,680.44 is: 9,219,370.61
Step by Step Solution
- Step 1: Write the proportion equation
11,837,101.56 : 16,335,256.14 = 6,680,680.44 : x - Step 2: Convert to fraction form
11,837,101.56/16,335,256.14 = 6,680,680.44/x - Step 3: Cross multiply
11,837,101.56x = 16,335,256.14 × 6,680,680.44 - Step 4: Simplify right side
11,837,101.56x = 109,130,626,176,887.91 - Step 5: Solve for x
x = 109,130,626,176,887.91/11,837,101.56 - Step 6: Final answer
x = 9,219,370.61
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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.