Finding the Fourth Proportional to 16,391,478.60, 24,587,217.90 and 7,888,422.60
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Solution
The fourth proportional to 16,391,478.60, 24,587,217.90 and 7,888,422.60 is: 11,832,633.90
Step by Step Solution
- Step 1: Write the proportion equation
16,391,478.60 : 24,587,217.90 = 7,888,422.60 : x - Step 2: Convert to fraction form
16,391,478.60/24,587,217.90 = 7,888,422.60/x - Step 3: Cross multiply
16,391,478.60x = 24,587,217.90 × 7,888,422.60 - Step 4: Simplify right side
16,391,478.60x = 193,954,365,353,484.53 - Step 5: Solve for x
x = 193,954,365,353,484.53/16,391,478.60 - Step 6: Final answer
x = 11,832,633.90
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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.