Finding the Fourth Proportional to 16,313,586.68, 22,512,300.62 and 8,971,419.80
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Solution
The fourth proportional to 16,313,586.68, 22,512,300.62 and 8,971,419.80 is: 12,380,312.40
Step by Step Solution
- Step 1: Write the proportion equation
16,313,586.68 : 22,512,300.62 = 8,971,419.80 : x - Step 2: Convert to fraction form
16,313,586.68/22,512,300.62 = 8,971,419.80/x - Step 3: Cross multiply
16,313,586.68x = 22,512,300.62 × 8,971,419.80 - Step 4: Simplify right side
16,313,586.68x = 201,967,299,525,820.31 - Step 5: Solve for x
x = 201,967,299,525,820.31/16,313,586.68 - Step 6: Final answer
x = 12,380,312.40
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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.