Finding the Fourth Proportional to 22,047,368.92, 30,424,703.70 and 12,258,028.80
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Solution
The fourth proportional to 22,047,368.92, 30,424,703.70 and 12,258,028.80 is: 16,915,709.79
Step by Step Solution
- Step 1: Write the proportion equation
22,047,368.92 : 30,424,703.70 = 12,258,028.80 : x - Step 2: Convert to fraction form
22,047,368.92/30,424,703.70 = 12,258,028.80/x - Step 3: Cross multiply
22,047,368.92x = 30,424,703.70 × 12,258,028.80 - Step 4: Simplify right side
22,047,368.92x = 372,946,894,186,066.56 - Step 5: Solve for x
x = 372,946,894,186,066.56/22,047,368.92 - Step 6: Final answer
x = 16,915,709.79
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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.