Finding the Fourth Proportional to 22,426,812.70, 33,640,219.05 and 18,441,005.20
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Solution
The fourth proportional to 22,426,812.70, 33,640,219.05 and 18,441,005.20 is: 27,661,507.80
Step by Step Solution
- Step 1: Write the proportion equation
22,426,812.70 : 33,640,219.05 = 18,441,005.20 : x - Step 2: Convert to fraction form
22,426,812.70/33,640,219.05 = 18,441,005.20/x - Step 3: Cross multiply
22,426,812.70x = 33,640,219.05 × 18,441,005.20 - Step 4: Simplify right side
22,426,812.70x = 620,359,454,430,189 - Step 5: Solve for x
x = 620,359,454,430,189/22,426,812.70 - Step 6: Final answer
x = 27,661,507.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.