Finding the Fourth Proportional to 8,434,933.94, 11,640,264.74 and 4,567,455.09
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Solution
The fourth proportional to 8,434,933.94, 11,640,264.74 and 4,567,455.09 is: 6,303,118.30
Step by Step Solution
- Step 1: Write the proportion equation
8,434,933.94 : 11,640,264.74 = 4,567,455.09 : x - Step 2: Convert to fraction form
8,434,933.94/11,640,264.74 = 4,567,455.09/x - Step 3: Cross multiply
8,434,933.94x = 11,640,264.74 × 4,567,455.09 - Step 4: Simplify right side
8,434,933.94x = 53,166,386,435,660.52 - Step 5: Solve for x
x = 53,166,386,435,660.52/8,434,933.94 - Step 6: Final answer
x = 6,303,118.30
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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.