Finding the Fourth Proportional to 16,575,680.70, 22,871,402.80 and 9,233,331.12
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Solution
The fourth proportional to 16,575,680.70, 22,871,402.80 and 9,233,331.12 is: 12,740,305.45
Step by Step Solution
- Step 1: Write the proportion equation
16,575,680.70 : 22,871,402.80 = 9,233,331.12 : x - Step 2: Convert to fraction form
16,575,680.70/22,871,402.80 = 9,233,331.12/x - Step 3: Cross multiply
16,575,680.70x = 22,871,402.80 × 9,233,331.12 - Step 4: Simplify right side
16,575,680.70x = 211,179,235,231,295.12 - Step 5: Solve for x
x = 211,179,235,231,295.12/16,575,680.70 - Step 6: Final answer
x = 12,740,305.45
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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.