Finding the Fourth Proportional to 22,486,615.13, 31,031,598.76 and 12,173,313.62
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Solution
The fourth proportional to 22,486,615.13, 31,031,598.76 and 12,173,313.62 is: 16,799,210.63
Step by Step Solution
- Step 1: Write the proportion equation
22,486,615.13 : 31,031,598.76 = 12,173,313.62 : x - Step 2: Convert to fraction form
22,486,615.13/31,031,598.76 = 12,173,313.62/x - Step 3: Cross multiply
22,486,615.13x = 31,031,598.76 × 12,173,313.62 - Step 4: Simplify right side
22,486,615.13x = 377,757,383,882,628.88 - Step 5: Solve for x
x = 377,757,383,882,628.88/22,486,615.13 - Step 6: Final answer
x = 16,799,210.63
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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.