Finding the Fourth Proportional to 8,434,742.23, 11,639,960.11 and 4,713,573.26
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Solution
The fourth proportional to 8,434,742.23, 11,639,960.11 and 4,713,573.26 is: 6,504,739.95
Step by Step Solution
- Step 1: Write the proportion equation
8,434,742.23 : 11,639,960.11 = 4,713,573.26 : x - Step 2: Convert to fraction form
8,434,742.23/11,639,960.11 = 4,713,573.26/x - Step 3: Cross multiply
8,434,742.23x = 11,639,960.11 × 4,713,573.26 - Step 4: Simplify right side
8,434,742.23x = 54,865,804,721,962.66 - Step 5: Solve for x
x = 54,865,804,721,962.66/8,434,742.23 - Step 6: Final answer
x = 6,504,739.95
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1.5x scale
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.