Finding the Fourth Proportional to 16,313,584.68, 22,512,297.87 and 8,971,417.80
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Solution
The fourth proportional to 16,313,584.68, 22,512,297.87 and 8,971,417.80 is: 12,380,309.65
Step by Step Solution
- Step 1: Write the proportion equation
16,313,584.68 : 22,512,297.87 = 8,971,417.80 : x - Step 2: Convert to fraction form
16,313,584.68/22,512,297.87 = 8,971,417.80/x - Step 3: Cross multiply
16,313,584.68x = 22,512,297.87 × 8,971,417.80 - Step 4: Simplify right side
16,313,584.68x = 201,967,229,829,820.12 - Step 5: Solve for x
x = 201,967,229,829,820.12/16,313,584.68 - Step 6: Final answer
x = 12,380,309.65
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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.