Finding the Fourth Proportional to 11,488,025.79, 15,853,202.52 and 6,261,199.07
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Solution
The fourth proportional to 11,488,025.79, 15,853,202.52 and 6,261,199.07 is: 8,640,305.88
Step by Step Solution
- Step 1: Write the proportion equation
11,488,025.79 : 15,853,202.52 = 6,261,199.07 : x - Step 2: Convert to fraction form
11,488,025.79/15,853,202.52 = 6,261,199.07/x - Step 3: Cross multiply
11,488,025.79x = 15,853,202.52 × 6,261,199.07 - Step 4: Simplify right side
11,488,025.79x = 99,260,056,795,479.64 - Step 5: Solve for x
x = 99,260,056,795,479.64/11,488,025.79 - Step 6: Final answer
x = 8,640,305.88
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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.