Finding the Fourth Proportional to 29,346,764.60, 44,020,146.90 and 18,528,987.80
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Solution
The fourth proportional to 29,346,764.60, 44,020,146.90 and 18,528,987.80 is: 27,793,481.70
Step by Step Solution
- Step 1: Write the proportion equation
29,346,764.60 : 44,020,146.90 = 18,528,987.80 : x - Step 2: Convert to fraction form
29,346,764.60/44,020,146.90 = 18,528,987.80/x - Step 3: Cross multiply
29,346,764.60x = 44,020,146.90 × 18,528,987.80 - Step 4: Simplify right side
29,346,764.60x = 815,648,764,864,307.88 - Step 5: Solve for x
x = 815,648,764,864,307.88/29,346,764.60 - Step 6: Final answer
x = 27,793,481.70
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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.