Finding the Fourth Proportional to 16,135,503.75, 22,266,995.63 and 8,892,159.75
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Solution
The fourth proportional to 16,135,503.75, 22,266,995.63 and 8,892,159.75 is: 12,271,180.71
Step by Step Solution
- Step 1: Write the proportion equation
16,135,503.75 : 22,266,995.63 = 8,892,159.75 : x - Step 2: Convert to fraction form
16,135,503.75/22,266,995.63 = 8,892,159.75/x - Step 3: Cross multiply
16,135,503.75x = 22,266,995.63 × 8,892,159.75 - Step 4: Simplify right side
16,135,503.75x = 198,001,682,300,069.47 - Step 5: Solve for x
x = 198,001,682,300,069.47/16,135,503.75 - Step 6: Final answer
x = 12,271,180.71
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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.