Finding the Fourth Proportional to 8,435,153.28, 11,640,566.85 and 4,567,674.63
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Solution
The fourth proportional to 8,435,153.28, 11,640,566.85 and 4,567,674.63 is: 6,303,420.95
Step by Step Solution
- Step 1: Write the proportion equation
8,435,153.28 : 11,640,566.85 = 4,567,674.63 : x - Step 2: Convert to fraction form
8,435,153.28/11,640,566.85 = 4,567,674.63/x - Step 3: Cross multiply
8,435,153.28x = 11,640,566.85 × 4,567,674.63 - Step 4: Simplify right side
8,435,153.28x = 53,170,321,879,564.02 - Step 5: Solve for x
x = 53,170,321,879,564.02/8,435,153.28 - Step 6: Final answer
x = 6,303,420.95
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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.