Finding the Fourth Proportional to 6,867,673.28, 9,477,395.16 and 4,115,959.04
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Solution
The fourth proportional to 6,867,673.28, 9,477,395.16 and 4,115,959.04 is: 5,680,027.09
Step by Step Solution
- Step 1: Write the proportion equation
6,867,673.28 : 9,477,395.16 = 4,115,959.04 : x - Step 2: Convert to fraction form
6,867,673.28/9,477,395.16 = 4,115,959.04/x - Step 3: Cross multiply
6,867,673.28x = 9,477,395.16 × 4,115,959.04 - Step 4: Simplify right side
6,867,673.28x = 39,008,570,284,454.25 - Step 5: Solve for x
x = 39,008,570,284,454.25/6,867,673.28 - Step 6: Final answer
x = 5,680,027.09
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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.