Finding the Fourth Proportional to 6,718,908.36, 10,084,858.74 and 6,354,774.48
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Solution
The fourth proportional to 6,718,908.36, 10,084,858.74 and 6,354,774.48 is: 9,538,305.86
Step by Step Solution
- Step 1: Write the proportion equation
6,718,908.36 : 10,084,858.74 = 6,354,774.48 : x - Step 2: Convert to fraction form
6,718,908.36/10,084,858.74 = 6,354,774.48/x - Step 3: Cross multiply
6,718,908.36x = 10,084,858.74 × 6,354,774.48 - Step 4: Simplify right side
6,718,908.36x = 64,087,002,955,356.96 - Step 5: Solve for x
x = 64,087,002,955,356.96/6,718,908.36 - Step 6: Final answer
x = 9,538,305.86
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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.