Finding the Fourth Proportional to 8,441,810.94, 11,645,206.34 and 5,135,116.12
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Solution
The fourth proportional to 8,441,810.94, 11,645,206.34 and 5,135,116.12 is: 7,083,727.32
Step by Step Solution
- Step 1: Write the proportion equation
8,441,810.94 : 11,645,206.34 = 5,135,116.12 : x - Step 2: Convert to fraction form
8,441,810.94/11,645,206.34 = 5,135,116.12/x - Step 3: Cross multiply
8,441,810.94x = 11,645,206.34 × 5,135,116.12 - Step 4: Simplify right side
8,441,810.94x = 59,799,486,797,260.20 - Step 5: Solve for x
x = 59,799,486,797,260.20/8,441,810.94 - Step 6: Final answer
x = 7,083,727.32
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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.