Finding the Fourth Proportional to 16,478,512.60, 24,717,768.90 and 9,743,459.80
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Solution
The fourth proportional to 16,478,512.60, 24,717,768.90 and 9,743,459.80 is: 14,615,189.70
Step by Step Solution
- Step 1: Write the proportion equation
16,478,512.60 : 24,717,768.90 = 9,743,459.80 : x - Step 2: Convert to fraction form
16,478,512.60/24,717,768.90 = 9,743,459.80/x - Step 3: Cross multiply
16,478,512.60x = 24,717,768.90 × 9,743,459.80 - Step 4: Simplify right side
16,478,512.60x = 240,836,587,622,840.22 - Step 5: Solve for x
x = 240,836,587,622,840.22/16,478,512.60 - Step 6: Final answer
x = 14,615,189.70
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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.