Finding the Fourth Proportional to 22,828,984.57, 31,503,991.12 and 12,515,486.23
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Solution
The fourth proportional to 22,828,984.57, 31,503,991.12 and 12,515,486.23 is: 17,271,366.84
Step by Step Solution
- Step 1: Write the proportion equation
22,828,984.57 : 31,503,991.12 = 12,515,486.23 : x - Step 2: Convert to fraction form
22,828,984.57/31,503,991.12 = 12,515,486.23/x - Step 3: Cross multiply
22,828,984.57x = 31,503,991.12 × 12,515,486.23 - Step 4: Simplify right side
22,828,984.57x = 394,287,767,052,402.31 - Step 5: Solve for x
x = 394,287,767,052,402.31/22,828,984.57 - Step 6: Final answer
x = 17,271,366.84
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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.