Finding the Fourth Proportional to 22,089,643.14, 30,483,416.97 and 12,166,335.30
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Solution
The fourth proportional to 22,089,643.14, 30,483,416.97 and 12,166,335.30 is: 16,789,382.68
Step by Step Solution
- Step 1: Write the proportion equation
22,089,643.14 : 30,483,416.97 = 12,166,335.30 : x - Step 2: Convert to fraction form
22,089,643.14/30,483,416.97 = 12,166,335.30/x - Step 3: Cross multiply
22,089,643.14x = 30,483,416.97 × 12,166,335.30 - Step 4: Simplify right side
22,089,643.14x = 370,871,471,946,730.06 - Step 5: Solve for x
x = 370,871,471,946,730.06/22,089,643.14 - Step 6: Final answer
x = 16,789,382.68
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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.