Finding the Fourth Proportional to 16,161,065.12, 22,302,743.10 and 8,819,371.34
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Solution
The fourth proportional to 16,161,065.12, 22,302,743.10 and 8,819,371.34 is: 12,170,990.70
Step by Step Solution
- Step 1: Write the proportion equation
16,161,065.12 : 22,302,743.10 = 8,819,371.34 : x - Step 2: Convert to fraction form
16,161,065.12/22,302,743.10 = 8,819,371.34/x - Step 3: Cross multiply
16,161,065.12x = 22,302,743.10 × 8,819,371.34 - Step 4: Simplify right side
16,161,065.12x = 196,696,173,299,522.75 - Step 5: Solve for x
x = 196,696,173,299,522.75/16,161,065.12 - Step 6: Final answer
x = 12,170,990.70
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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.