Finding the Fourth Proportional to 22,555,594.80, 31,126,756.14 and 12,242,322.18
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Solution
The fourth proportional to 22,555,594.80, 31,126,756.14 and 12,242,322.18 is: 16,894,423.78
Step by Step Solution
- Step 1: Write the proportion equation
22,555,594.80 : 31,126,756.14 = 12,242,322.18 : x - Step 2: Convert to fraction form
22,555,594.80/31,126,756.14 = 12,242,322.18/x - Step 3: Cross multiply
22,555,594.80x = 31,126,756.14 × 12,242,322.18 - Step 4: Simplify right side
22,555,594.80x = 381,063,777,084,173.19 - Step 5: Solve for x
x = 381,063,777,084,173.19/22,555,594.80 - Step 6: Final answer
x = 16,894,423.78
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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.